Solid Proof | “48 Hours" Full Episodes
- Aug 8, 2026
- 2:06:39
- Full Episode
“48 Hours” cases breaking down the evidence in these shocking stories. Watch the YouTube mini-marathon, which includes "The Tree that Helped Solve a Murder," "The Golden State Killer" and "What Ally Kostial Didn't Know."
00:00 The Tree that Helped Solve a Murder 41:37 The Golden State Killer 01:25:09 What Ally Kostial Didn't Know
True crime. Real justice. "48 Hours" investigates the most intriguing crime and justice cases that touch on all areas of the human experience including greed and passion. "48 Hours," which premiered in 1988, has developed a rich history of original reporting and impact journalism that has helped exonerate wrongly convicted people, caused cold cases to be reopened and solved, and along the way changed lives.
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Brief Summary
Mongshi Ji's murder and Ally Costal's tragic death are explored through investigations and trials, revealing deep personal conflicts and evidence.
Key points
- Secrets Uncovered. Joe discovers Mongshi's journal detailing an online affair, raising suspicions about her disappearance.
- Tension in the Marriage. Joe's controlling behavior and Mongshi's struggles lead to explosive arguments.
- Mongshi's Remains Found. A hiker discovers a purse and skull in the park where Joe proposed to Mongshi.
- Verdict Delivered. After deliberation, the jury finds Joe guilty of second-degree murder.
- Michelle McNamara's Obsession. Michelle's relentless pursuit of the Golden State Killer took a toll on her life.
- The Identity of the Golden State Killer. The mystery surrounding the Golden State Killer haunted Michelle McNamara, keeping her awake at night.
Episode highlights
- Secrets UncoveredJoe discovers Mongshi's journal detailing an online affair, raising suspicions about her disappearance.“It's sad though that I have no interest in my husband.”6:33Aug 8, 2026
- Tension in the MarriageJoe's controlling behavior and Mongshi's struggles lead to explosive arguments.“You think you're so empowered because of this society? You're still a woman.”16:36Aug 8, 2026
- Mongshi's Remains FoundA hiker discovers a purse and skull in the park where Joe proposed to Mongshi.“It was a miracle.”24:45Aug 8, 2026
- Verdict DeliveredAfter deliberation, the jury finds Joe guilty of second-degree murder.“Guilty of second-degree murder.”36:26Aug 8, 2026
- Michelle McNamara's ObsessionMichelle's relentless pursuit of the Golden State Killer took a toll on her life.“The obsession of hunting a serial killer took its toll on Michelle.”51:26Aug 8, 2026
- The Identity of the Golden State KillerThe mystery surrounding the Golden State Killer haunted Michelle McNamara, keeping her awake at night.“The identity of the Golden State Killer is a mystery that kept true crime writer Michelle McNamara up all night.”59:00Aug 8, 2026
- Margaret Wllo's DefianceMargaret refused to show fear during her attack, demonstrating incredible strength.“You didn't want to show him you were scared.”1:03:11Aug 8, 2026
- The Golden State Killer's ArrestIn April 2018, police arrested Joseph James D'Angelo, believed to be the Golden State Killer, after decades of evasion.“The answer has always been in Sacramento.”1:16:05Aug 8, 2026
