Mark Branch: The Grocery Clerk Who Thought He Was Jason Voorhees

10 Minute Murder | Bingeable True Crime Stories · Oct 31, 2025 · 13m

Mark Branch: The Grocery Clerk Who Thought He Was Jason Voorhees

When 18-year-old Sharon Gregory was found dead in her Greenfield, Massachusetts home in October 1988, her twin sister knew exactly who did it. Mark Branch had been obsessed with horror movies his entire life, particularly Friday the 13th, and he'd told people he wanted to know what it felt like to kill. Sharon had been doing a psychological evaluation of him for her college psychology class, and he wanted that profile back. What happened next became one of the most disturbing cases where someone tried to turn their favorite…