God Told Me To released in some theatrical markets as Demon is a 1976 science fictionhorror film written and directed by Larry Cohen. Like many of Cohens films, it is set in New York City and incorporates aspects of the police procedural.
Nicholas investigates a series of murders being committed by various random, seemingly normal assailants, who claim that God told them to kill. Nicholas finds that the murderers have been influenced by a religious cult leader, Bernard Phillips Richard Lynch whose origins are a mystery.Phillips has his cult members invite Nicholas to join them, and a brief meeting between the two occurs, where Nicholas surmises that Phillips cannot use his strange powers to affect him, due to needing him for some unknown purpose. He also discovers that a similar set of events took place someyears prior. His investigation eventually leads him to an old woman who is seemingly his birth mother, having found herself impregnated by a strange orb of light while walking home from the New York Worlds Fair in 1941, and giving up the child for adoption. The meeting distresses both of them, and Nicholas is wracked with doubt over who or what he is. He confronts Phillips and one of his seedy followers a pimp from Harlem one last time, and discovers the truth both he and Phillips are the result of virgin birth by a mysterious extraterrestrial entity of light with psychicsupernatural powers with spacecraft technology farbeyond the scope of modern human conventions. Nicholas is the result of his human genes being dominant, which is why he is unaware of his true nature, while Phillips is more like their unseen progenitor. Phillips reveals himself to be a hermaphrodite and wishes to spawn a new species with his brother. Nicholas refuses, and attacks Phillips, which results in Phillips using his powers to destroy the building and commit suicide. Nicholas is arrested for the death of Phillips, and responds to the question by a news reporter in front of a court as to why he committed the deed with God told me to as he is led into court by police. ........
Source: Wikipedia