The Loch

Cold Squad is a Canadian police procedural television series first broadcast in 1998 that followed the investigations of a part of the Vancouver Police Department Homicide Division tasked with solving cold cases, the titular Cold Squad, as led by Sergeant Ali McCormick. The cast of Cold Squad was diverse and changing, McCormick being the only character to appear in all 7 seasons. Some notable series regulars include Detective Tony Logozzo in seasons 1-2, Sgt. Frank Coscarella in seasons 3-4, Sgt. Len Harper in seasons 5-7, Insp. Vince Schneider season 1, Insp. Simon Ross season 2, Insp. Andrew Pawlachuk seasons 3-7, Det. Mickey Kollander seasons 3-6, Det. Nicco Sevallis seasons 3-6, Christine Wren seasons 4-7, as well as Det. Samantha Walters and Const. Ray Chase in season 7. Between the second and third seasons, almost the entire on-screen cast other than Julie Stewart were replaced. This along with the new sets, a significant revamp of the credits and theme music, and even having McCormick's hair change from auburn to dirty-blonde all contributed to a considerable reworking of the series.

Doctor Henry Morgan, New York City’s star medical examiner, has a secret. He doesn't just study the dead to solve criminal cases, he does it to solve the mystery that has eluded him for 200 years—the answer to his own inexplicable immortality. This long life has given Henry remarkable observation skills which impresses his new partner, Detective Jo Martinez. Each week, a new case and their budding friendship will reveal layers of Henry’s long and colorful past. Only his best friend and confidant, Abe knows Henry’s secret.

20 years ago Moo-Yeom’s father was a suspect in the "Gap Dong” serial murder case. Because of the detectives’ oppressive investigation, Moo-Yeom’s father killed himself. Now, Moo-Yeom is a detective and works to capture the killer Gap Dong. The statue of limitations has expired for the serial murder case and Moo-Yeom resigns to the belief that Gap Dong is dead. New clues though for Gap Dong appears in front of Moo-Yeom and he sets out to catch him once and for all.

Harry Bosch, an LAPD homicide detective, stands trial for the fatal shooting of a serial murder suspect. A cold case involving the remains of a missing boy forces Bosch to confront his past. As daring recruit Julia Brasher catches his eye and departmental politics heat up, Bosch will pursue justice at all costs.

A close-knit anthology series dealing with stories involving malice, violence and murder based in and around Minnesota.

Kat Crichton is a young Family Liaison Officer assigned to investigate the brutal murder of the wife of a local tycoon at a remote island mansion. The murder investigation unravels on the island of Lewis and Harris, from where Kat mysteriously fled ten years previously.

Jaka, a policeman filled with revenge, teams up with his junior, Sekar, and three inmates to hunt down a serial killer. Their research slowly reveals the dark side of the justice system that they have always believed in.

The peacefulness of the Midsomer community is shattered by violent crimes, suspects are placed under suspicion, and it is up to a veteran DCI and his young sergeant to calmly and diligently eliminate the innocent and ruthlessly pursue the guilty.

Wycliffe is a British television series, based on W. J. Burley's novels about Detective Superintendent Charles Wycliffe. It was produced by HTV and broadcast on the ITV Network, following a pilot episode on 7 August 1993, between 24 July 1994 and 5 July 1998. The series was filmed in Cornwall, with a production office in Truro. Music for the series was composed by Nigel Hess and was awarded the Royal Television Society award for the best television theme. Wycliffe is played by Jack Shepherd, assisted by DI Doug Kersey and DI Lucy Lane. Each episode deals with a murder investigation. In the early series, the stories are adapted from Burley's books and are in classic whodunit style, often with quirky characters and plot elements. In later seasons, the tone becomes more naturalistic and there is more emphasis on internal politics within the police.

Columbo is a friendly, verbose, disheveled-looking police detective who is consistently underestimated by his suspects. Despite his unprepossessing appearance and apparent absentmindedness, he shrewdly solves all of his cases and secures all evidence needed for indictment. His formidable eye for detail and meticulously dedicated approach often become clear to the killer only late in the storyline.

In 1953 at the hamlet of Grantchester, Sidney Chambers—a charismatic, charming clergyman—turns investigative vicar when one of his parishioners dies in suspicious circumstances.

A mother suspects that her son could be the killer of a recently found dead girl, and becomes caught in a torturous dilemma of whether to denounce him, or protect him and hide the act.

After a bombing attack at the Poland–Ukraine border which killed his friends from the Border Guard, Captain Wiktor Rebrow tries to unravel the mystery and figure out what happened and who is behind it all.

July 2006, the city of Aix-en-Provence is under particular strain. The trial of Mathias Rousseau, the man who called himself the "Zodiac," is about to begin. Called back to France to testify, Esther Delaître moves in with Quentin, the child she adopted, at her brother Jérôme's house on the shores of Lake Geneva in Switzerland. But the disappearance of little Lucie Daguerre throws everything into question. The family of the missing child runs the Daguerre Institute, a renowned school where Mathias had stayed for a few months when he was younger. Is the "Zodiac" pulling the strings from his prison cell? Is he the victim of an imitator? This new case takes Esther back two years...

In 2014, a series of murders targeting women takes place in Kawasaki City. All the victims have been killed as if they had hanged and these are dubbed the "Hanging Murders" in public. The police investigation runs into difficulties without clues on the murderer. However, Detective Iguchi from the First Investigation Division has his eye on a man whom he suspects to kill for pleasure. This man is Naoya Nogi. He lies about his identity, erases his traces in public, and lives as if he is holding his breath. Nogi is actually Masato Yaginuma, the victim in the sensational Akishima mother and son kidnapping case. He gets his neighbor, Yoshika, involved as he tries to escape the police dragnet but comes to realize some facts. What is his true motive?

Swedish murder investigator Sven Hjerson forms an unexpected detective duo with stubborn TV producer Klara after several years of isolation. Will she also manage to recruit him for her new TV show?

A socially awkward detective who deals better with data than people is assigned to work on a missing persons unit searching for lost souls.

In 1991, 24-year-old Detective Alexandre Falco has it all, a loving wife, a new-born daughter and his dream job. But one day out in the field, he is shot in the head. Falco opens his eyes again 22 years later to a changed world, where everything he once had is no longer as it was.

When a young boy is found dead on an idyllic beach, a major police investigation gets underway in the small California seaside town where the tragedy occurred. Soon deemed a homicide, the case sparks a media frenzy, which throws the boy's family into further turmoil and upends the lives of all of the town's residents.

French adaptations of the stories by Agatha Christie.