Visit ~ William Forsythe portrays notorious serial killer John Wayne Gacy in this EXCLUSIVE sneak peek of the movie, Dear Mr. Gacy. A true story from the producer of Monster, this drama is based on the experiences of 18-year-old college student Jason Moss and his relationship with the twisted Gacy taken from his best selling book, The Last Victim. The film, directed by Svetozar Ristovski (Mirage / Iluzija) also stars Jesse Moss (The Uninvited) as the overachiever Jason Moss.