Cyrus: Mind of a Serial Killer is an independent horror film from 2010 that doesn’t tread new ground. It’s about a serial killer, obviously, and it purports to be “based on true events.” The story unfolds through three narrative devices: flashbacks; an interview conducted in real time; and interview clips from a news program called…

This 2010 endeavor stars William Forsythe, who does an outstanding job playing psychopath John Wayne Gacy. Forsythe also starred in Rob Zombie’s Halloween (2007) as Ronnie, the boyfriend of Michael Myers’ mom Deborah. Dear Mr. Gacy is based on the real life experience of 18-year-old Jason Moss. In 1993, Jason contacted Gacy (and other serial killers)…