Non si deve profanare il sonno dei morti (1974)

Let Sleeping Corpses Lie (1974)  From IMDB: Tagline: To avoid fainting keep repeating, it's only a movie... only a movie... only a movie... only a movie... Plot Outline: A cop chases two hippies suspected of a series of Manson family-like murders; unbeknownst to him, the real culprits are the living dead, brought to life with a thirst for human flesh by chemical pesticides being used by area farmers.