L'uomo più velenoso del cobra

An elderly heiress is killed by her husband who wants control of her fortunes. What ensues is an all-out murder spree as relatives and friends attempt to reduce the inheritance playing field, complicated by some teenagers who decide to camp out in a dilapidated building on the estate.

Sadistic no-count killer Nanni Vitali and three other equally brutish hoodlums escape from prison. The foul foursome embark on a savage rape, murder, and robbery spree. Vitali even abducts and defiles frightened hapless lass Giuliana Caroli. Meanwhile, rugged police inspector Giulio Santini is determined to bag the despicable Vitali.

A Milan pimp faces off against a ruthless and greedy French gangster whom wants to unite organized crime in Italy.

A San Francisco doctor encounters a prostitute who bears a striking resemblance to his late wife.

After several Catholic school pupils are murdered, a teacher who is having an affair with one of his students becomes a suspect. When other gruesome murders start occurring shortly thereafter, the teacher suspects that he may be the cause of them.

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 himself and his girlfriend being targeted by the killer.

A newsman works with a blind puzzle-solver to uncover a deadly conspiracy linked to a genetic research facility.

A wealthy playboy gathers a group of bourgeois friends at his isolated beach house for a weekend of relaxation. When bodies start pilling up, they realize they’re trapped with a killer in their midst, sending them in a frenzy to figure out who amongst them is killing the others before they are killed next.

A mute woman, traumatized by her parents' death, faces new horrors when her cousin is murdered by a suspected killer. As danger looms, the truth proves far more complex.

A cop suspects his wife's infidelity, only to become the prime suspect when she's murdered. A criminal psychologist believes the real killer is a presumed-dead serial killer, as more murders unfold.

After a French prostitute is found dead, one of her regular clients is tried and convicted for her murder. He is eventually sentenced to death but dies in a high speed pursuit after attempting to escape custody. Soon, the witnesses that testified against him end up being systematically murdered by a mysterious killer wearing black gloves.