48 Hours Scripting a Murder
May 7, 2025
Bill Clark, a veteran homicide detective, and Gilles Tetreault, a survivor of a brutal attack by Mark Twitchell, share harrowing insights into a chilling murder case. They explore how Twitchell's obsession with filmmaking blurred the lines between fiction and reality, culminating in the shocking disappearance of John Altinger. Tetreault recounts his terrifying encounter with Twitchell, while Clark discusses the relentless police investigation that uncovered disturbing evidence in Twitchell's garage. Together, they delve into the emotional aftermath for the victims' families.
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Gilles' Horror Garage Attack
- Gilles Tetreault was lured to a garage under the pretense of a date and attacked by a man in a painted hockey mask.
- He was stunned and terrified, fearing for his life during the encounter.
Gilles' Narrow Escape
- Gilles escaped twice from the assailant and collapsed in front of a couple who tried to help him.
- The masked man pretended to be Gilles' friend to avoid suspicion before Gilles sped away.
Garage Leads to Filmmaker
- Police traced the missing man's last known location to a garage rented by Mark Twitchell, an aspiring filmmaker.
- The garage contained movie props and signs of possible evidence, raising police suspicions.