Stephen Johnston

Ed Kemper

2025 — writer

Ed Kemper

2025 — co-producer

The Quantum Devil

2023 — writer

C.I.Ape

2022 — writer

Detention

2010 — adaptation

Officer Down

2005 — writer

The Hillside Strangler

2004 — writer

Ted Bundy

2002 — writer

Tell Me No Lies

2002 — writer

Ed Gein

2000 — writer

Star Struck

2000 — writer

Deadly Charades

1996 — writer