Forensic Files

"The Dexter Killer": Sneak peek

48 Hours

  • Apr 21, 2022
  • 3:14
  • Full Episode

Inside the mind of murderer Mark Twitchell. Newly revealed letters from the man police say wanted to be like fictional serial killer Dexter. "48 Hours" contributor Troy Roberts reports Saturday, April 23 at 10/9c on CBS and streaming on Paramount+.

Crime. Social justice. Impact. "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

Julia Cowley discusses Mark Twitchell's criminal profiling and his chilling methods as a serial killer.

Key points

  • Mark Twitchell: The Filmmaker Killer. An exploration of Mark Twitchell's life as an aspiring filmmaker turned serial killer.
  • The Dark Fascination. Twitchell believed society is fascinated by the dark side of human nature.

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