A serial killer called "The Hyena" is finally caught and eventually hanged. However, his body disappears before it can be buried, and soon thereafter dead bodies start turning up in a small village.
While serving in Vietnam, a demolitionist witnesses the brutal torture/rape/murder of a young woman...ultimately, he becomes a serial rapist and killer himself, preferring explosives as his murder weapon of choice.
A gangster decides to murder his wife. He hires a hypnotist to program a psychopathic sex maniac to handle the dirty work and sends the killer to the remote Canadian cabin where his wife is vacationing - alone.
Is there a link between the murder of five foreign sailors from the East whose bodies have been found on the San Pedro waterfront and the issue of one million counterfeit dollars in the USA...