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cover of episode Mark Twitchell: The Dexter Killer

Mark Twitchell: The Dexter Killer

2024/8/19
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48 Hours

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Mark Twitchell, an aspiring filmmaker, was called the "Dexter Killer" due to similarities between his crimes and the TV show "Dexter." He lured men from online dating sites to a garage set up as a kill room.
  • Twitchell's first victim, Gilles Tetreault, escaped after being attacked in the garage.
  • Twitchell used filmmaking as an outlet for his fantasies.

Shownotes Transcript

Inside the mind of murderer Mark Twitchell. Letters from the man police say wanted to be like fictional serial killer Dexter. Troy Roberts reports.

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