The Killer Is One of Thirteen (1973)

Warren Stacy, an office equipment repairman, begins murdering women after they reject his advances. To minimize the evidence, Stacy always kills while naked, wearing nothing but gloves, and further evades the law with his strong alibis. Veteran detective Leo Kessler is convinced of Stacy's guilt and begins using questionable methods to catch him.

Jennifer Hills is still tormented by the brutal sexual assault she endured years ago. She’s changed identities and cities, reluctantly joining a support group where she begins to piece together a new life. But when her new friend’s murderer goes free and the tales of serial rapists haunt her, Jennifer will hunt down the men responsible and do what the system won’t – make them pay for their crimes in the most horrific ways imaginable. Only this time, no jury may be able to save her.

Complete strangers stranded at a remote desert motel during a raging storm soon find themselves the target of a deranged murderer. As their numbers thin out, the travelers begin to turn on each other, as each tries to figure out who the killer is.

When a madman dubbed 'Scorpio' terrorizes San Francisco, hard-nosed cop, Harry Callahan – famous for his take-no-prisoners approach to law enforcement – is tasked with hunting down the psychopath. Harry eventually collars Scorpio in the process of rescuing a kidnap victim, only to see him walk on technicalities. Now, the maverick detective is determined to nail the maniac himself.

A gang of ruthless highway killers kidnap a wealthy couple traveling cross country only to shockingly discover that things are not what they seem.

Dirty Harry Callahan returns for his final film adventure. Together with his partner Al Quan, he must investigate the systematic murder of actors and musicians. By the time Harry learns that the murders are a part of a sick game to predict the deaths of celebrities before they happen, it may be too late...

Special Agent Jennifer Marsh works in an elite division of the FBI dedicated to fighting cybercrime. She thinks she has seen it all, until a particularly sadistic criminal arises on the Internet. This tech-savvy killer posts live feeds of his crimes on his website; the more hits the site gets, the faster the victim dies. Marsh and her team must find the elusive killer before time runs out.

A reporter and a blind, retired journalist try to solve a series of murders. The crimes are connected to experiments by a pharmaceutical company in secret research. The two end up becoming targets of the killer.

There is something horribly wrong with the bodies found in the dark city streets. Some are mutilated while others have the Price equation (wΔz = Cov (w,z) = βwzVz) carved into their flesh. Detective Eddie Argo and his new partner Helen Westcott unearth the meaning of the odd equation and realise each victim is being offered a gruesome choice: kill your loved ones, or be killed. Before long it becomes clear that the perpetrator has suffered a similar fate and is now coping by seeking a way to solve this philosophical dilemma.

A burned-out New York police detective teams up with a college psychoanalyst to track down a vicious serial killer randomly stalking and killing various young women around the city.

Rachel, a rookie cop, is about to begin her first night shift in a neglected police station in a Scottish, backwater town. The kind of place where the tide has gone out and stranded a motley bunch of the aimless, the forgotten, the bitter-and-twisted who all think that, really, they deserve to be somewhere else. They all think they're there by accident and that, with a little luck, life is going to get better. Wrong, on both counts. Six is about to arrive - and All Hell Will Break Loose!

After picking up a traumatized young hitchhiker, five friends find themselves stalked and hunted by a chainsaw-wielding killer and his family of equally psychopathic killers.

A fast-talking lawyer transforms his body and takes a vow of silence, not to be broken until he finds out who killed his wife and daughter and has his revenge.

Rookie cop, Amelia Donaghy reluctantly teams with Lincoln Rhyme – formerly the department's top homicide detective but now paralyzed as a result of a spinal injury – to catch a grisly serial killer dubbed 'The Bone Collector'. The murderer's special signature is to leave tantalizing clues based on the grim remains of his crimes.

One night per year, the government sanctions a 12-hour period in which citizens can commit any crime they wish -- including murder -- without fear of punishment or imprisonment. Leo, a sergeant who lost his son, plans a vigilante mission of revenge during the mayhem. However, instead of a death-dealing avenger, he becomes the unexpected protector of four innocent strangers who desperately need his help if they are to survive the night.

When 4 year old Amanda McCready disappears from her home and the police make little headway in solving the case, the girl's aunt, Beatrice McCready hires two private detectives, Patrick Kenzie and Angie Gennaro. The detectives freely admit that they have little experience with this type of case, but the family wants them for two reasons—they're not cops and they know the tough neighborhood in which they all live.

A cartoonist teams up with an ace reporter and a law enforcement officer to track down an elusive serial killer.

Chrissie and her friends set out on a road trip for a final fling before one is shipped off to Vietnam. Along the way, bikers harass the foursome and cause an accident that throws Chrissie from the vehicle. The lawman who arrives on the scene kills one of the bikers and brings Chrissie's friends to the Hewitt homestead, where young Leatherface is learning the tools of terror.

Eccentric consulting detective Sherlock Holmes and Doctor John Watson battle to bring down a new nemesis and unravel a deadly plot that could destroy England.

Two homicide detectives are on a desperate hunt for a serial killer whose crimes are based on the "seven deadly sins" in this dark and haunting film that takes viewers from the tortured remains of one victim to the next. The seasoned Det. Sommerset researches each sin in an effort to get inside the killer's mind, while his novice partner, Mills, scoffs at his efforts to unravel the case.

A group of strangers are summoned to the secluded home of Patrick, a young man rendered comatose after a freak accident, but soon find themselves falling victim to Patrick's mysterious psychic powers and murderous rage.

Following the mysterious decapitation of an insurance investigator, Police Inspector Peretti is put onto the case, but all the clues lead to an unsolved case of kidnapping and murder.

A young restorer is commissioned to save a fresco representing the suffering of St. Sebastiano, which was painted on the wall of a local church by a mysterious, long-dead artist.

When Marialé is a little girl, she sees her father murder the two lovers and then shoot himself in the head. About 30 years later, she lives in a mansion and has mental problems. She invites a number of friends and one by one they become murdered.

Centers around experiments on a disembodied, living female head. This is one of only a small handful of horror films produced by Mainland China in the 80s since genre films were banned there until the late 80s.

A young man becomes obsessed with Byleth, the demon of incest, and it leads to an unhealthy infatuation with his sister.

A young opera singer is stalked by a deranged fan bent on killing the people associated with her to claim her for himself.

A young couple, Rosemary and Guy, moves into an infamous New York apartment building, known by frightening legends and mysterious events, with the purpose of starting a family.

Wealthy writer Stephen Byrne tries to seduce the family maid, but when she resists, he kills her. Long jealous of his brother John, Stephen does his best to pin the blame for the murder on his sibling. Also affected by Stephen's arrogant dementia is his long-suffering wife Marjorie.

The motel has a special room designed for sexual activities. It also has a habit of photographing sex act engines and extorting the parties concerned. One day a mysterious killer with black gloves up and the situation is changing.

A woman is pursued by her murderous, psychopathic twin sister in the days leading up to their birthday.

A sadistic killer cult kidnaps and sacrifices beautiful women. A young girl, just paroled from prison, moves into a strange house and appears to be the cult's next victim.

Lisa is a tourist in an ancient city. When she gets lost, she finds an old mansion in which to shelter. Soon she is sucked into a vortex of deception, debauchery and evil presided over by housekeeper Leandre.

Two street basketball hustlers try to con each other, then team up for a bigger score.

The world of dance can be brutal. The rehearsals are grueling. The competition is fierce. At the Arts for Living Centre in New York City, the best of the best are dying for a part in a major production. But only a select few will be chosen. The selection process seems to be at the hands of mysterious killer who pierces women's bare breasts with a hatpin, puncturing their hearts. Ambition and jealousy appear to be the motive, which makes everybody a suspect!

Paola (Lucia Bose) is the beautiful and jealously-guarded younger wife of a shady factory owner, Enrico Fontana (Massimo Girotti). In order to investigate her romantic history he hires a private detective, which ironically brings Paola back into contact with former lover Guido, with whom she resurrects a lost passion. Dogged by the suspicions of their respective mates, they are drawn closer to each other in the face of adversity, and begin to plot Enrico's demise. But when the challenge of being together falls away, will the passion start to wane? A masterpiece of intensity and finely-wrought emotion.

In a small Scottish village, horribly murdered bodies keep turning up. Suspicion falls upon the residents of a nearby castle that is haunted by a curse involving a killer cat.

A wealthy English lord is suffering a mental breakdown following the death of his red-headed wife, Evelyn, whom he feared was cheating on him. He tours local bars and dives, scouring for lovely red-heads willing to come back to his decaying castle in the country, where he seduces them, then tortures and kills them. His friend the doctor talks him into marrying again to help heal his slowly-rotting mind, which he does--but are the doctor's orders really what he needs?

Michael is a successful actor, but he has a scandal in his past: at a tender age he knifed his father to death. He and his girlfriend Deborah go to his mother's for the weekend, and are joined by the director and others from a recent film project, who are given a rather cool reception by the superstitious housekeeper Oliver. Soon rude things begin happening to some of the guests, and Michael fears a repeat of his nightmare past is in progress.

Six separate episodes exploring themes of love, sex and romance in the Italian capital. "Paid Love" offers a glimpse into prostitution; "Attempted Suicide" features would-be suicides discussing their despair; "Paradise for Three Hours" depicts an evening at a provincial dance hall; "Marriage Agency" follows an investigative reporter posing as a husband-to-be; "Story of Caterina" tells the story of a young unwed mother forced to abandon her child; and "Italians Stare" catalogues the girl-watching techniques of Italian men.