Signed, Sealed, Delivered

The head of the Information Division of the Kyoto Prefectural Police, Grass Wall Office (commonly known as the "Maze Division"), Kansaburo Torii, and his subordinate Yoko Nanao, use information of previous investigations to find the truth and solve the story of the pending cases that are about to expire.

Loki, the Norse god of mischief, has been exiled to the human world for what was apparently was a bad joke. Along with being exiled, he’s forced to take the form of a child. He’s told the only way he can get back to the world of the gods is if he can collect auras of evil that take over human hearts, and so to do this he runs a detective agency. Loki is soon joined by a human girl named Mayura who is a maniac for mysteries, and she soon helps out in her own way. However, soon other Norse gods begin to appear, and most have the intent to assassinate Loki for reasons unclear.

The story about a blue-collar Boston bar run by former sports star Sam Malone and the quirky and wonderful people who worked and drank there.

Notorious Los Angeles defense attorney Sebastian Stark becomes disillusioned with his career after his successful defense of a wife-abuser results in the wife's death. After more than a month trying to come to grips with his situation, he is invited by the Los Angeles district attorney to become a public prosecutor so he can apply his unorthodox-but-effective talents to putting guilty people away instead of putting them back on the street.

Sakaido is a genius detective who can track down any criminal. But when his daughter is murdered, revenge lands him on the other side of the law. Now in prison, he helps the police solve mysteries using a system that invades a person’s identity. Little by little, a trail of blood forms, and it all leads back to his daughter’s murderer.

On her 14th birthday, Anna Akechi meets a magical fairy and suddenly time-slips from 2027 to 1999! There, she befriends Mikuru, a spirited girl who dreams of becoming a detective. When mysterious thefts stir rumors of the Phantom Thieves, the two transform into Detective Precure, using courage, deduction, and friendship to solve cases and uncover the secret of Anna's journey through time.

An unassuming mystery writer turned sleuth uses her professional insight to help solve real-life homicide cases.

Within the walls of an interrogation room, London investigators question suspects accused of grievous crimes until the truth comes to light.

Date Kazuyoshi (Sakai) is a detective on the Kanagawa prefectural police force. During the day, he is known as a "Buddha" for his gentle personality, pouring all of his energy into resolving each case. At night, however, he transforms into a cruel punisher as his gentleness gives way to his anger towards the criminals. The series poses questions about what justice and evil truly are. Tokyograph

Tormented and bedridden by a debilitating disease, a mystery writer relives his detective stories through his imagination and hallucinations.

Dongbaek is a single mother. When a potential new love enters her life, she finds ways to defy the social stigmas surrounding her.

From England to Egypt, accompanied by his elegant and trustworthy sidekicks, the intelligent yet eccentrically-refined Belgian detective Hercule Poirot pits his wits against a collection of first class deceptions.

The story of the rise and fall of the Baltimore Police Department's Gun Trace Task Force — and the corruption and moral collapse that befell an American city in which the policies of drug prohibition and mass arrest were championed at the expense of actual police work.

The story of how Detective Superintendent Steve Fulcher deliberately breached police procedure and protocol to catch a killer, a decision that ultimately cost him his career and reputation.

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.

Fred, Daphne, Velma, Shaggy, and the talking dog, Scooby-Doo, travel on the Mystery Machine van, in search of weird mysteries to solve.

Sherlock Holmes uses his abilities to take on cases by private clients and those that the Scotland Yard are unable to solve, along with his friend Dr. Watson.

Oslo detectives Max Sørensen and Sander Holm are called in to investigate after four young immigrant boys are found dead in an empty swimming pool. Bizarre twists in the case brings the detectives face to face with both their own demons and a dark sequence of increasingly inexplicable events.

Takashi Oshii is a detective with excellent reasoning power. Unfortunately, he usually misses the criminal in front of him and other detectives get recognition for the capture. He is transferred to the Utobashi Police Station. Takashi Oshii goes to a record company CEO's house. The CEO's third son was burned to death. The police are set to conclude that his death was an accident, but Takashi Oshii thinks otherwise. Takashi Oshii begins to investigate.

Investigations, arrest, conviction: Journalist Sven Voss reconstructs sensational criminal cases and speaks with experts, police officers and prosecutors at crime-relevant locations.