Synopsis: A cop chases two hippies suspected of a series of Manson family-like murders; unbeknown to him, the real culprits are the living dead, brought to life with a thirst for human flesh after government officials conduct pest control experiments using subsonic waves in the area.
Tagline: They tampered with nature - now they must pay the price...
Franchise:
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Released: 1974-11-28
Runtime: 95 minutes
Status: Released
Rating: 6.3