Diagnosis Murder: A Twist of the Knife (1993)

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.

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.

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

During the late 1980s, two detectives in a South Korean province attempt to solve the nation's first series of rape-and-murder cases.

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.

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.

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.

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.

When Baton Rouge police detective Bud Carter busts contract killer Jesse Weiland, he convinces Jesse to become an informant and rat out the South's most powerful crime ring.

One morning in an ordinary town, five people are shot dead in a seemingly random attack. All evidence points to a single suspect: an ex-military sniper who is quickly brought into custody. The interrogation yields one written note: 'Get Jack Reacher!'. Reacher, an enigmatic ex-Army investigator, believes the authorities have the right man but agrees to help the sniper's defense attorney. However, the more Reacher delves into the case, the less clear-cut it appears. So begins an extraordinary chase for the truth, pitting Jack Reacher against an unexpected enemy, with a skill for violence and a secret to keep.

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.

Genius Belgian detective Hercule Poirot investigates the murder of an American tycoon aboard the Orient Express train.

Joong-ho is a dirty detective turned pimp in financial trouble as several of his girls have recently disappeared without clearing their debts. While trying to track them down, he finds a clue that the vanished girls were all called up by the same client whom one of his girls is meeting with right now.

Charly Matteï has turned his back on his life as an outlaw. For the last three years, he's led a peaceful life devoting himself to his wife and two children. Then, one winter morning, he's left for dead in the parking garage in Marseille's Old Port, with 22 bullets in his body. Against all the odds, he doesn't die...

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.

Homicide detective John Hobbes witnesses the execution of serial killer Edgar Reese. Soon after the execution the killings start again, and they are very similar to Reese's style.

Two French policemen, one investigating a grisly murder at a remote mountain college, the other working on the desecration of a young girl's grave by skinheads, are brought together by the clues from their respective cases. Soon after they start working together, more murders are committed, and the pair begin to discover just what dark secrets are behind the killings.

A recently widowed detective still grieving over his wife's death discovers a shocking connection between himself and the suspects in a serial killing spree linked to the Four Horsemen of the Apocalypse.

Five different criminals face imminent death after botching a job quite badly.