The Cat o' Nine Tails (1971)

An agoraphobic psychologist and a female detective must work together to take down a serial killer who copies serial killers from the past.

A journalist finds himself on the trail of a murderer who's been targeting people around him, while the police are considering him a suspect in their investigation.

Sue Ann is a loner who keeps to herself in her quiet Ohio town. One day, she is asked by Maggie, a new teenager in town, to buy some booze for her and her friends, and Sue Ann sees the chance to make some unsuspecting, if younger, friends of her own.

Detectives Jake Doyle and Mary Kelly seek the help of an incarcerated serial killer named The Artist when a copycat killer strikes. While Mary searches for clues in The Artist's brilliant but twisted psyche, she and Jake are lured into a diabolical game of cat and mouse, racing against time to stay one step ahead of The Artist and his copycat.

An English pianist living in Rome witnesses the brutal murder of his psychic neighbor. With the help of a tenacious young reporter, he tries to discover the killer using very unconventional methods. The two are soon drawn into a shocking web of dementia and violence.

When hundreds of videotapes showing torture, murder and dismemberment are found in an abandoned house, they reveal a serial killer's decade-long reign of terror and become the most disturbing collection of evidence homicide detectives have ever seen.

Cocky researcher Sebastian Caine is working on a project to make living creatures invisible. Determined to achieve the ultimate breakthrough, Caine pushes his team to move to the next phase — using himself as the subject. The test is a success, but when the process can't be reversed and Caine seems doomed to future without flesh, he starts to turn increasingly dangerous.

Anna is living with "face-blindness" after surviving a serial killer's attack. As she lives with her condition, one in which facial features change each time she loses sight of them, the killer closes in.

As a serial killer stalks the city, Julia — a young actress who just moved to town with her husband — notices a mysterious stranger watching her from across the street.

A quartet of murderous psychopaths break out of a mental hospital during a power blackout and lay siege to their doctor's house.