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Without Warning! is a 1952 American film noircrime film directed by Arnold Laven and starring Adam Williams, Meg Randall, and Ed Binns. The film is shot in a semidocumentary-style with police procedural voice-over narration in parts. Without Warning! was released commercially for the first time on DVD in 2005. Previously, the film was considered lost and unavailable for viewings.
A quiet gardener living in Los Angeles, California picks up blond women and is murdering them with garden shears. The police attempt to track him down but the man continues to kill. The killer lives in a shack on a hill overlooking Los Angeles (Chavez Ravine).