The Murder Clinic (1966)

A deranged man hides in the attic of a new house and becomes obsessed with the unsuspecting family that moves in.

Evan values family above all else, and anyone who gets between him, his wife, and newborn son learns that the hard way. But when it comes to violent tendencies, it seems the apple doesn’t fall far from the tree.

Norman Bates is declared sane and released from the facility in which he was being held, despite the complaints of Lila Loomis, sister of his most famous victim. Is he really cured, or will he kill again?

An American writer living in Rome witnesses an attempted murder that is connected to an ongoing killing spree in the city and conducts his own investigation, despite he and his girlfriend being targeted by the killer.

A woman is sent to a mental institution after stabbing her classmate in an attempt to conjure an evil spirit called, Mercy Black. Fifteen years later she's released, and must save her nephew, who has become obsessed with the phenomenon.

When teen magician Max crosses paths with the sinister Jester on Halloween night, she must outsmart a supernatural killer whose magic is all too real and whose tricks always end up in blood.

After learning that one of their victims, Maya, is still alive, The Strangers return to finish the job. With nowhere to run and no one to trust, Maya soon finds herself in a brutal fight for survival against psychopaths more than willing to kill anyone who stands in their way.

When socialite and heiress Julie Wardh begins receiving blackmail letters attributed to a mysterious serial killer, she suspects her cruel and sadistic former lover Jean is behind them. With her husband Neil frequently out of town, she falls into the arms of her friend's cousin George, and as the unknown assassin begins to make his move, she fears that one of the three men in her life may be the killer.

When an unsuspecting woman stops at a remote gas station in the dead of night, she's made the plaything of a sociopath sniper with a secret vendetta. To survive, she must not only dodge his bullets and fight for her life, but also figure out who wants her dead and why.

A criminal psychologist loses his arm in a car crash, and becomes one of three patients to have their missing limbs replaced by those belonging to an executed serial killer. One of them dies violently, and disturbing occurrences start happening to the surviving two.