Cycle Psycho (also known as The Bloody Slaying of Sarah Ridelander and Savage Abduction) is a 1973 action thriller exploitation film written and directed by John Lawrence and distributed by Troma Entertainment.
A businessman hires a psychopath to murder his wife.
After he accomplishes the deed, the psychopath blackmails the businessman into finding young girls for him to torture and kill.
The man makes a deal with a motorcycle gang to kidnap two young girls for that purpose.
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