Seen-it-all New York detective Frank Keller is unsettled - he has done twenty years on the force and could retire, and he hasn't come to terms with his wife leaving him for a colleague. Joining up with an officer from another part of town to investigate a series of murders linked by the lonely hearts columns he finds he is getting seriously and possibly dangerously involved with Helen, one of the main suspects.
A police detective falls in love with the woman whose murder he's investigating.
When a gunman takes five lives with six shots, all evidence points to the suspect in custody. On interrogation, the suspect offers up a single note: "Get Jack Reacher!" 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.
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.
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. As the case progresses, Kenzie and Gennaro face drug dealers, gangs and pedophiles. When they are about to solve the case, they are faced with a moral dilemma that tears them apart.
1986 Gyunggi Province. The body of a young woman is found brutally raped and murdered. Two months later, a series of rapes and murders commences under similar circumstances. And in a country that had never known such crimes, the dark whispers about a serial murderer grow louder. A special task force is set up in the area, with two local detectives Park Doo-Man and Jo Young-Goo joined by a detective from Seoul who requested to be assigned to the case.
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.
Based on the real-life Richard Speck murders. After his bizarre behavior results in rejection from countless women, Warren Stacy begins murdering women, always while he is naked, which minimizes any physical evidence left behind. Detective Leo Kessler is convinced of Stacy’s guilt and, over the objections of his partner, plants evidence to get him behind bars. When Stacy is released on a technicality, he threatens to go after Kessler and his family, leaving Kessler to defend himself with little help from the police.