The Shocking Murder of Mo Wilson | Killers Caught On Camera | Forensic Files

This time on Killers Caught on Camera in Austin, Texas. A woman is shot three times on the eve
of a bike race. Do I stop? I don't know what happened. I just walked in on her. after a lunch date with a friend shapes
a fatal love triangle. This might lead a bike that evolves into an international
manhunt. There's a showcasing to the right. There's another one. Somebody had stood over her and fired
one shot through her after she had already fallen to the floor. And in the north of England, a suspected Gangland
hit involves a shotgun and sulfuric acid. He's got a lot of white powder around him as well that seems to be sort
of giving off gas. Why would an orchestrated hit like this happen in such a quiet residential area?
[Music] It just sounds like something bad is happening here. We know what happened
because the video tells us what happened. I heard some gunshots. Drop it. Whatever it is, drop it. That does
not prove that I killed my wife. The camera doesn't lie. In central Texas, the state capital,
Austin. In May 2022, emergency services received a panicked call. Austin 911. Um, my friend is staying
with me and I just walked in and she's laying on the bathroom floor and there's blood everywhere. There's blood all over
her face and all on the back of her head. Austin police were the first on the scene.
Austin police. First responders found a young woman lying on the bathroom floor. The friend
who had called 911 was performing CPR. Do I stop? I don't know what happened. I just walked in on her
on the right right here. As the first responding patrol officers arrived and emergency medical services, they quickly
realized that the victim was deceased and they pronounced her um dead on scene. Okay, I'll let you go. You can talk to
them. Okay. She doesn't live here. She's staying really close with her family. Police questioned the friend to find out
who the deceased woman was. What's What's her name? Her name is Mariah. Mariah is her middle name. Her
first name is Anna. She's 26. [Music] [Applause] Mariah Wilson, known as Mo, was staying
in Austin to take part in the gravel locos race. Well was a remarkable friend. She was introverted, but she
really had this intensity and fierceness and this like quiet power. Mo grew up in East Burke,
Vermont. She was born into an athletic family. Mo comes from an athletic family. Her
dad was a very successful ski racer. She also had a younger brother who was also
a ski racer. When Mo went to study engineering at Dartmouth College, she joined the
women's alpine ski team. She was a competitor through and through. But after a series of injuries,
Mo moved on from skiing to focus on competitive bike racing. Cycling was the next best thing for her. She was really
good at it and she could channel that competitive energy. In 2019, Mo graduated from Dartmouth and
moved to San Francisco. She started competing in gravel racing competitions. Her first few races, she just dominated
the field and a world class field at that. And then from there, her star was on the rise as one of the premier racers
to come along in a long, long time. At the crime scene, police began a meticulous search for evidence. If you
get a chance, you check the calls around the area. There had been fired cartridge cases
located near her body and she had wounds consistent with being shot. There's a showcasing to the right. There's another
one right here. So, there's one in the bathroom. Three showcases. We got three showcasing. Nobody heard any shots. Do
you know how long she's been down? No. They also discovered that Mo's bike was missing bike.
Anywhere you see a bike. She said she would put it right by the door. No bike. But the bike wasn't far from the
apartment. Hey, come here. Somebody might be in here. This might be the bike. [Music]
My initial thought is why is this property belonging to the victim several feet down and hidden in the bushes? We
felt pretty certain that the possible suspect in the homicide had removed that bike.
Mo's injuries also gave the police another clue about her killer. We located a gunshot wound in her chest
that went through her chest, through her back, and into the floor below her. And
it appeared that somebody had stood over her and fired one shot through her after
she had already fallen to the floor. I began to get the feeling that whoever did this, there could have been a
personal aspect to it. Police began searching the area for surveillance footage. They discovered a
camera pointing down the alley beside the apartment where Mo had been found. There was a vehicle observed on that
video footage that was identified as a black Jeep. We also observed the brake lights going on and off which showed us
that the person was possibly unsure of where they were going. We found the black Jeep also had a very distinct
wheel pattern. [Music] Police questioned Mo's friend to find out who Mo had been with that night.
She was with my friend Colin. Yeah. Colin Strickland. Colin. Strickland. Yeah. Yeah. I They went swimming.
Colin Strickland was a professional bike racer. He'd won some of gravel cycling's
most prestigious races. Colin and Mariah had a very brief relationship. That relationship ended
when Mariah left to go back to California. They were still friends uh and would still meet up on rides every
now and then if they happen to be in the same city or or at the same race. As the last known person to see Mo Colin
was now a person of interest. The next morning, Thursday, May 12th, Detective Richard Spitler went
to Colin's residence. At this point, I didn't know if Colin was the person responsible for this
murder or if maybe he was just a witness. I decided that I would do a death notification. I don't really know what
to say, sir. So, apparently last night she she passed away. How did she right now? It's a it's an open
investigation, but it is being investigated as as a homicide. I didn't have any solid proof to
indicate that Colin was the person responsible for this murder. So, I told Colin that I wanted his help in
investigating this crime and I wanted to find out who was responsible. Colin was brought into the police
department for an interview. if you just want to take a seat in here. I'll be right back.
I began asking him, you know, more about Mariah, more about their outing. I had been in contact with Mo earlier in the
day. We were thinking of coordinating a ride. He was able to show me different text messages, the plans that they were
making, right? She sent me a photo of her on the bike. Is that Mo? Yeah, that's Mo. And this is more complexity,
but I have it saved as a different name just because I am a I got you. His name is Christine.
The name in Colin's phone for Mariah was Christine Wall. The question was, why did Colin have to
keep Mo Wilson saved in his phone under someone else's name? He indicated that he does have a girlfriend named Caitlyn
Armstrong. Caitlyn currently lives with him and she would tend to be jealous. In the past,
Caitlyn has looked at my phone. Basically, that would always start fights. Exactly. Like, does she do
that with like all of the girls that are in your phone or like just with most most of them? You know, she's she loves
she loves me and she wants to be, you know. Yeah. Basically, nobody else can have you. Yeah. Yeah. You know,
having a contact in your phone under a different name, it definitely feels shady in the first instance. If you have
a partner who is jealous and you want to communicate with someone whom you've had
a sexual relationship with before, then you might just put them under a different name, even if there's nothing
else really going on. The problem with minor deceptions is that it can really amplify a jealous
mind. When he says that Caitlyn is jealous of it seems all his female friends, that signifies that there's a
bigger issue going on here with her general jealousy seems almost as if it's part of this idea of love for him and
that he's thereby normalizing or rationalizing it. Even though it sounds like it might be jealousy that is quite
severe, we were able to get an alibi. We were able to get a story of where he had
been, what he had done, and so started trying to look to see if we could find surveillance video at that point to try
and corroborate his story and his albby. Police obtained surveillance footage from the pool bar where Colin
said they went after their swim. This video shows Colin and Mariah having a conversation. They appear calm.
She doesn't look like she's in any kind of fear. She drinks from his drink. Very
friendly. Mo and Colin left the pool bar together. They were then captured on multiple cameras on Colin's motorcycle
heading towards the apartment where Mo was later found dead. This is another angle of Colin on that
white motorbike. This is important because this corroborates the story that Colin has told us of what happened that
evening. In his interview, Colin told police that he had dropped Mo off in the alley behind the house where she was
staying. We said a pretty brief goodbye there. I didn't actually like watch her go
up the stairs. I got back to my house. Um, a little bit before dark, investigators discovered that the
apartment where Mo was staying had an electronic door lock. It logged her arriving home at 8:36
p.m. Just 1 minute later, the black Jeep was captured on camera in the alley just outside the
apartment. While we don't have a clear view of the license plate of this car, that doesn't
stop us from getting a lot of information. This very obvious running stripe, as well as what appears to be um
some sort of rack on the back of the vehicle. This car is in the area at the time of the
homicide. In the hours leading up to Mo's murder, the black Jeep was caught on camera multiple times.
circling the neighborhood. We're able to see that running stripe in the bike rack on the back. We've seen
this vehicle now on several camera angles and traveling at a very slow rate of speed, really appearing to prowl the
area. This is potentially the suspect in this homicide. Police had seen this vehicle
before. It had been parked in Colin's driveway when they first visited his house. We noticed this dark SUV with a
bike rack on the rear. We see that silver running stripe along the side of the vehicle.
Detective Spitler asked Colin who owned the Jeep. The Jeep is hers. Okay. So, that belongs to her. Okay. Do you ever
drive that one? No. I know for a fact that her vehicle was at that apartment. I told Colin that Caitlyn's Jeep is on
camera, that it's in the neighborhood at the time that Mariah had gotten home after he had already dropped her
off. Colin was shocked. He was very surprised. Whenever she got home, was there anything? I
didn't say anything. Has Caitlyn ever gotten so mad in the past that not necessarily thinking that
she would do anything, you know, but I mean, has she ever threatened anything or she's always such a like mild like
gentle person? When he says that she's a mild gentle person, that to me feels like he in his
mind has well a version of her that even though she's jealous, she would never do
anything. He's probably running through all these moments, maybe even the jealous moments, maybe the moments where
she's potentially gone through his phone. And yet thinking, "No, but she's gentle and she's she's like me. We're
the same. We're we're calm and quiet." And so it feels like he's trying to say to this police officer, "It couldn't
have been her." Like, "This is not in her demeanor at all." When they asked if Caitlyn owned a
gun, Colin told the police that he had recently bought two handguns. one for himself and one for Caitlyn.
She's had a couple of incidents where she's been like costed or had people in parking lots.
Colin had been in an onoff relationship with Caitlyn Armstrong since 2019. She was a yoga teacher, realtor,
and also had a background in finance. It was found that Caitlyn had an active warrant for her arrest, a class B
misdemeanor warrant for theft of service. She had received a Botox treatment, but she didn't pay for it.
Just do a quick pat down real quick. It gave the police a reason to bring Caitlyn in. All right, just hang tight
and sit right here in this chair. It was a chance to volunteer anything she might
know about Mo's death. She was placed in the interview room and we let them sit for a little bit because
we do want to kind of watch their body language, see what they they do, how they respond, if they're fidgety, if
they're not. Um, she was interesting because she was extremely still, which kind of stood out to me. So, there's a
situation that's going on. Did you hear about what's happened over the past 24 hours? Colin walked in the house and
said one of the women in the cycling community passed away. Yes. Yeah. It sounds like maybe he went out with this
girl the other day and from what he's saying that you were a little upset about it. I that is not accurate. Yeah.
And that's why I wanted to chat with you because it's a guy. He's going to say stuff and so we want to make sure that
we get both sides of the story and everything and clear it up. So what what were you doing yesterday? I would like
to leave. I think you would like to leave. Yeah. Okay. That's that's totally your choice. Um and and the doors open.
and you're welcome to leave. Um, but again, that limits us to where we only have one side of the story. And your
vehicle was seen next to her house. I would like to leave if I'm free to leave. Okay. Is there any explanation as
far as why the vehicle would be over there? I would like to leave if I'm free to leave.
Okay. Typically, with a truthful person that has not done anything, they're going to respond in a manner of, "How
can I help you?" they're going to offer up information. So, it was it was a very
different reaction than what I expected from her. Caitlyn Armstrong was allowed to
walk free, but the police had a search warrant for the home she shared with Colin.
We were able to locate two handguns. Those handguns were tested against the fired cartridge cases that I
found on scene near the victim. One of the handguns came back as a positive match.
Police also found footage of Caitlyn at the shooting range. She was clearly capable of
handling a [Music] gun. Both Colin and Caitlyn's cell phones were seized during the search of
their property. When the police traced both of their movements on the night that Mo had
been killed, they revealed a major discrepancy. Colin's whereabouts are known for that
night, but Caitlyn's or not. It appeared as though her device had circled around
downtown Austin and then began traveling to East Austin. Caitlyn's device, it turns off. This is something that is
normally seen when someone is trying to conceal their movements because they are
about to commit a crime. Colin Strickland was now in the clear. Armed with this new evidence,
police issued a warrant for Caitlyn's arrest. The only problem was that when they went to pick Caitlyn up, no one
could find her. We noticed that her social media shut down. Nobody had heard from her. So, we knew, okay, something's
up. She She might have taken off at that point. Police discovered that 2 days after Mo
had been killed, Caitlyn Armstrong was at a car dealership in South Austin where she sold her black Jeep for
$12,000. This video shows Caitlyn Armstrong in the waiting area dealing with her cell phone. There appears to be
some plastic hanging off this phone. Is this a new cell phone? Is she making plans to leave the area? She doesn't
seem agitated. When the police seized the jeep, the GPS system revealed Caitlyn's exact movements on the night
Mo Wilson was killed. There was a lot of data and GPS hits showing the Jeep circling the
neighborhood. We were able to put that black Jeep on the scene at the time of the murder. It showed that Caitlyn
Armstrong had planned this. It showed that she knew where Mo was staying and she was going to wait for them to come
back to possibly confront Mo. Mo Wilson was caught in the middle of a complicated situation, unaware of
the intensity of emotions and their consequences. Police knew Mo had been shot three times, twice in the head and
once in the chest while lying on the floor. Then police found footage from a neighbor security camera which revealed
the distressing sound of Mo Wilson's last moments. The pattern of the shots is callous.
The space of time between that second and third shot would have allowed the shooter to turn and leave, but this
perpetrator didn't do that. They followed uh the victim into another room and fired that third and fatal
shot. I stayed away from the investigation. I found that it just it kind of unraveled me. The more I learned, the
more it just deeply upset me. But Caitlyn Armstrong was on the run. She was missing, wanted as part of
a murder investigation. Weeks passed by and the investigation hit a dead end. Then a breakthrough. Police
discovered that Caitlyn had fled the country using her sister's passport. We have Caitlyn just making
her way calmly through the airport. She's wearing a face covering, which while not mandated at this time,
it's very easy for her to obstruct her face from view of the cameras and from other people without causing any alarm
or raising any red flags for those around her. But we can see Caitlyn's distinctive yoga mat here.
Her yoga mat was the only clue the police had. US marshals flew to Costa Rica. Weeks of investigation drew a
blank. Investigators decided to try their luck and put out a flyer for a yoga teacher.
Caitlyn just happened to reach out to one of those flyers. After 43 days on the run, Caitlyn
Armstrong was finally located and arrested at a hostel, but she looked different.
Caitlyn had changed her hair color, her style, uh the length of hair, but she also had gotten a nose job, and she was
currently in the healing process from this surgery. She ran. She fled the country. Changed
her appearance. Spent thousands of dollars altering her face with cosmetic surgery. Because she traveled into the
country illegally on her sister's passport, Caitlyn was deported from Costa Rica and arrested by US
officials. Caitlyn was charged with firstdegree murder. She pled not guilty. But two weeks before the trial
was due to start, her determination to flee justice surfaced again. She claimed that she had a leg
injury and which required her to not use leg restraints and that she needed to go
to a doctor's office that was outside of the jail. As they go to this doctor's office, she bolts for
it. It was a thoughtout escape. It was it was not something that was a spur of the
moment. She gets almost a mile away before she's actually caught. It was very telling. She does
not come across as a person that has any remorse. After a 17-day trial, Caitlyn Armstrong was found guilty of the
firstdegree murder of Mo Wilson. She was sentenced to 90 years. But the question remained, why did she
commit such a horrific murder? By all accounts, Caitlyn Armstrong appeared to be a fairly intelligent
person. I believe that there there was a jealousy issue and I believe that she killed Mariah Wilson in cold blood. She
plotted and planned this murder. She tracked Mariah Wilson to that apartment and she stood over her and shot her one
final time. And for somebody to be able to do that, to have the the capacity to do that, it's just it's just
cold-hearted. It's extremely rare to have a woman kill another woman over a partner. Mo ends up being the target of
Caitlyn's jealousy, of her more morbid jealousy. And I feel like it could have almost as easily been somebody else. But
maybe because Mo kind of had it all. She was a really successful cyclist, which was exactly what her partner was into.
She was beautiful. She was intelligent. She was a friend who often saw her partner and had a sexual history with
them. So maybe she was the ultimate threat in her mind. And so that's why she killed Mo.
[Music] The reaction among the cycling community was just utter disbelief that something
like this could befall our world, let alone Mariah Wilson, someone who had just so much future, so much
potential. It was devastating and shocking on every level. I think I'll best remember her as this
hard, charging, gritty, sweet girl. She was fierce, intense, but so sweet and had the kindest heart. She was really
[Music] special. Caitlyn Armstrong brutally murdered Mo Wilson as a result of her
morbid jealousy. What jealousy does is it moves you from suspicions to beliefs and those
beliefs become your reality. And at some point you might feel the need to act on
that reality even if it's not based in fact. And sometimes you might be jealous or morbidly jealous because you perceive
a relationship between your partner and somebody else and you seek at some point
to eliminate the romantic rival. In other circumstances though, you can have a single instance that is just sticking
in your mind. And in those cases, it can become an all-consuming experience where
again, even without sufficient evidence that anything particularly untoward happened, you constantly are thinking
about this moment in time. And that kind of fixation, that version of morbid jealousy can also lead to you taking
matters into your own hands. In the winter of 2022, British police found themselves confronted with
a complete mystery. A case which ultimately also came down to jealousy. In the northwest of England is
Wigan. Wigan is a former industrial town. It was known back in the day for its textiles. Like many of the towns and
cities around here in the north, that declined throughout the 20th century, and nowadays it's a lot more known for
its green spaces, its parks and canal [Music] side. At 6:38 p.m. on November 24th,
Greater Manchester Police received a call. A body had been found in the Shvington district of
Wigan. Emergency services were quickly on the scene. What they found was highly disturbing.
When the first responders arrived at the scene, it was apparent quite quickly that the victim had been attacked with
some sort of corrosive substance. Oh, he's got a lot of white powder around him as well that seems to be sort of
giving off gas of some description. It's It smells a bit ley. His body was covered in sulfuric acid
and sodium carbonate. his body was smoking. Really concerning for everybody who approached there and also prevented
people actually rendering first aid. The paramedics were uncertain about what this corrosive substance might be, but
it was apparent that the victim had succumbed to his injuries. It was only when police accessed footage
from security cameras that they began to understand what they were dealing with.
Although it was dark at the time, the police heard this really distinctive noise of a
gunshot. Alongside the acid attack, the victim had suffered a single gunshot to the
face. This changed the police investigation completely. The crime presented a total
mystery for investigators. Even though this shooting bore all the hallmarks of a gangland shooting, this
is 90% elderly people living there. So, who and why would an orchestrated hit like this happen in such a quiet
residential area? It wasn't until the day after the murder that a possible name for the
victim emerged. In their initial search of the area, police found a property which had
been left unsecured, as though somebody had just popped out. A short while afterwards, that person's family then
reported him missing. The victim was confirmed as 38-year-old Liam Smith. Liam Smith was an electrician. He
had his own business. He was the father to two young sons. And although he was separated from his partner, he was still
very much a part of his children's life. In many ways, this only deepens the mystery for the police. They're then
wondering about the motive for such a vicious crime. Could it even be the case that this was an incident of mistaken
identity where Liam was just in the wrong place at the wrong time? The extreme use of violence may
communicate a number of things. It might be about destroying evidence. It may be
about obliterating the identity of the individual, but it could also be about sending a clear message to the families
of the victim that this person has done something wrong and retaliation has taken
place. An autopsy on Liam's body revealed further alarming details of the manner of his killing.
He was shot in the face uh with an adapted Glock with shot pellets and a much larger sphere that had been added I
believe for maximum damage. They were really interesting aspects and as a team made us ask lots
of questions around why somebody would use those particular types of chemicals. Why would somebody use that particular
combination of ammunition? With so little information to go on, police began to search for more video
evidence. Liam's own security cameras provided the first breakthrough. A little after 6:30 p.m.,
a man in a high viz jacket and a head torch gets out of a car, which is parked a little further away on the street, and
heads towards the house. It disappears for probably about 40 seconds out of camera, potentially to
lure Liam out of his address. He has a phone in his hand and then he turns left from Liam's drive and he walks back in
the vehicle wearing a florescent jacket, a headlamp, all efforts to disguise his
identity. Liam comes out of his house presumably alerted by the CCTV cameras. He checks
around the side of the house. He then comes to the front and pauses before heading towards this parked car a little
further up the road. That's a heartbreaking moment to watch. It's the last few seconds of
Liam's life. Less than half a minute later, there's the sound, the audio sound of
one gunshot. The vehicle drives away, but then strangely a few minutes later returns to
the crime scene. The man gets out of his car with the chemicals and pours them onto Liam's
body. It does seem strange after shooting Liam in the face fatally that this asalent would return to the crime
scene to then throw these chemicals on the body. It does beg the question, was this to cause further damage and pain to
him or maybe even to send some kind of message? Police continued to search through hours
of footage from the surrounding area. Police now discovered two vital pieces of evidence. The first was some
footage from the dash cam of a supermarket delivery van. [Music] On that footage, we see the asalent's
vehicle arriving on the street at 7:30 a.m. that morning. This vehicle was also spotted on the cameras of a bin lorry in
the area that morning. It was a car with the license plate beginning R22. [Music]
He parked up on Liam's road and there he stayed without breaking cover without leaving that vehicle for almost 10 hours
before he murdered Liam. The fact that someone sat outside Liam Smith's house for 10 hours gives us
a real insight into their psyche. This is someone who's committed to the course of action that they want to take.
They're subscribing to a code that makes sense to them, but really makes them judge, jury, and executioner.
Police quickly discovered the license plates on the vehicle had been cloned. From the asalent's movements,
the police thought that he must have had some prior knowledge of the area, maybe
had even visited the address previously. The hunch proved to be correct. After days meticulously
searching CCTV, they found further sightings of the car in Liam's street. 3 weeks before the
[Music] murder, the driver of this car matched the description of the asalent from the
night of Liam's killing. Police believed it was a hostile reconnaissance. At that time, the license plate on the
Jeep was different. Again, they checked and worked out that the plate was also fake. These false plates had been caught
on an AMPR camera over in Sheffield. So, this now gave the police their first clue and a new area to search.
Couple of weeks into the investigation, we received intelligence from South Yorkshire Police that a vehicle had been
stopped three weeks before Liam was murdered. And in that vehicle was the R22 plate. It was that that really unraveled
this case. This is a false number plate, so they confiscate it. But it then seems
that the driver created an identical set. Police were now able to link the driver of that vehicle back to a
business in Sheffield. They visited the premises and searched CCTV cameras in the vicinity.
They found footage of an individual who matched the description of the asalent parking a Shogun car with the false
number plates and then going into the business premises. They then found footage of the
same individual parking an Audi car outside the premises. A check of the license details
on the Audi gave them a name, Michael Hillier. Hillia was a known drug dealer around
the area of Sheffield. He had previous convictions for violence. Police also discovered
incidences of coercive control and domestic violence. Hillier was tracked down to
his home in Sheffield and taken into custody. This photograph communicates power, control, and dominance. To me,
it's a communication of aggression, distance. There's the communication that this connects to a gangster
lifestyle. When Hillia was first interviewed by police, he played it very cool, giving no common answers across
the board. And the police were really struggling at this stage to establish a link between Liam and Hillia, other than
the fact that he had been seen on that CCTV footage outside Liam's home. But unbeknown to Hillia, his car
insurance details revealed another name to the police. Rachel Folto. Rachel had been in a relationship
with Hillier since 2021, and they had just come back from a holiday to Jamaica. When police arrive at Rachel Folsto's
address, she admitted to officers that she had met Liam Smith in September 2019, that they'd gone on a date after
meeting on Tinder, they'd spent the night together, and also gone for lunch the next day. She was initially brought
in and questioned as a potential witness. When she was interviewed, Rachel spoke at length, but denied any
involvement. She said she only knew that Liam had been killed when Hillia told her the day
after Liam had been murdered. At first, she was treated as a witness, but it wasn't long before further
evidence came to light. Police found she searched for Wigan murder just hours after Liam had
been killed, before his name had been released to the public. That in itself was a really significant
search. How could she have known that the man that she'd had a one night stand with two years before was dead on the
street unless she was involved? Detectives then found a string of suspicious messages on Folto's
phone. The day before the murder, Hillas sent a text to Rachel saying he was ill
and in need of some TLC. She said she was on her way. Rachel was sending Hilly messages
knowing he wasn't there because Rachel had been at Hilly's house when he left to murder Liam and she knew he'd left
his phone there. Clear alibi messages. Hillia sent no messages. He had no phone with him.
He deliberately left his phone at home. Deeper dives into Folto's search history
only added to the weight of the evidence against her. In October 2022, a month before Liam's
killing, Fto had been searching for his company details online, and she'd been looking up his address on Google Earth.
Her phone also showed searches for a Mitsubishi Shogun car and how long it takes to burn a car out completely. This
was just days before Liam's killing. The vehicle was eventually found burned out in a forest in the north of
England. Hillier and Folto were charged with murder. Rachel and Liam had gone for one
day in Rachel's hometown of York. They'd stayed the night in a hotel together. The pair never saw each other again. In
2021, Rachel began a relationship with Hillia, who she said could be verbally abusive and quite
volatile. Folto said that Hillia was not happy when he found out about this one night stand with Liam. Despite this
happening 2 years earlier and that he would continuously bring this up whenever the pair would
argue. Michael Hillier had very strong views about women. He was disturbed by the fact that Rachel Falsto did not only
have a dating life before they met, she also had a sexual life and that was intolerable for him to
comprehend. This is where things become a bit complicated. So Rachel Fto denies that she ever said this, but Hillier
seems to get in his mind that that night Liam Smith had unconsensual sex with Rachel and that he then needed to take
revenge against Liam in this act of vigilante justice. We can understand how someone may feel
jealous when they hear about a partner's sexual past because it does challenge sometimes the experience in the here and
now. However, it's not so much the feelings that's problematic, it's how a person responds to that. And it seems
that in some cases the activation of a criminal code provides a pathway by which to resolve this issue.
What Michael Hillier would say is that he is someone of very traditional values and he didn't like the fact that Rachel
Folste had a one night stand with Liam. The disturbing thing about this situation is that these thoughts and
opinions about women initiated and fueled a very calculated, sadistic, and violent response that ended up in a
person dying. Falso claimed she knew nothing of the killing until Helia came back to her
house the next day and that she was petrified to go to the police. But police found evidence that Hillier and
Folto began planning to murder Liam in May 2022, 6 months before he was eventually
killed. Just days after the brutal murder, they marked the occasion by wallowing in the luxurious bays of the
Caribbean. Their case went to court in the summer of 2023. As the trial wore on, Hillier and
Folto seemed to turn against one another. Hillia claims that it was Folto that planned the routes to and from
Liam's address, that she had sourced the acid to use in the attack, and that she
had even suggested that he sever Liam's penis. Hillier and Folto were both convicted of
murder. Folto was also convicted of perverting the course of justice. Michael Hillier was sentenced to 33
years in prison and Rachel Folto was given a 30-year sentence. Liam was more than just a
family member to us. He was our rock, our Liam. He had the biggest and most kind-hearted soul and would literally do
anything for anyone. Liam's life wasn't the only one that was destroyed that night.
Everyone who knew and loved Liam had been left completely heartbroken, devastated, and traumatized by the
events that happened on the 24th of November. It was unbelievable the motive for Liam
Smith's murder. Liam's family will never ever get over that, nor should they be expected to.
This case begins with police arriving to this crime scene. There's an unknown body laid in this residential street
covered in a mysterious corrosive substance. It's confusing and mysterious from the get-go, but what materializes
is this really senseless, brutal killing of a father of two grounded in nothing more than malice. And Liam Smith did not
deserve to die in the way that he did. [Music] [Applause] [Music]

In 2022, Mo Wilson is fatally shot in Austin, Texas and suspicions lands on her ex-boyfriend after investigators unearth CCTV footage of them meeting together for a meal. As the investigation deepens, shocking details come to light.

In the UK, Liam Smith is lured to his untimely death by a dating app scheme.

Killers Caught On Camera is a true-crime series with a voyeuristic twist: video footage from home security cameras, CCTV, and dashcams take center-stage, helping detectives catch perpetrators in moments of criminal intent to acts of pure evil. Family members of victims and law enforcement provide first-hand accounts of how these chilling events unfold while experts like Criminal Psychologist Dr. Julia Shaw dissect the darkest corners of the mind.

Brief Summary

Mo Wilson was murdered in Austin, Texas, leading to Caitlyn Armstrong's arrest; Liam Smith was killed in Wigan, England, due to jealousy and revenge.

Key points

Mariah Wilson's Tragic Death. A young woman is found shot in her bathroom, leading to a complex investigation.
The Search for Evidence. Police meticulously search for clues at the crime scene, uncovering a missing bike.
The Alibi Discrepancy. Colin's whereabouts are accounted for, but Caitlyn's movements raise red flags.
Caitlyn Armstrong's Disappearance. After Mo's murder, Caitlyn goes missing, raising suspicions about her involvement.
Caitlyn's Arrest. Caitlyn is finally located in Costa Rica after weeks on the run.
Caitlyn Armstrong's Escape. Caitlyn Armstrong executed a planned escape from custody, nearly getting away before being caught.

Episode highlights

Episode quotes

Why would an orchestrated hit like this happen in such a quiet residential area?

0:56WatchJun 5, 2025

Tension

85/ 100High tension

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