Joker: Unforgiven Investigator

Baretta is an American detective television series which ran on ABC from 1975 to 1978. The show was a milder version of a successful 1973–74 ABC series, Toma, starring Tony Musante as chameleon-like, real-life New Jersey police officer David Toma. While popular, Toma received intense criticism at the time for its realistic and frequent depiction of police and criminal violence. When Musante left the series after a single season, the concept was retooled as Baretta, with Robert Blake in the title role.

A realistic glimpse into the daily lives of the officers and detectives at an urban police station.

Detective Ukyo Sugishita confronts crime on the basis of his own convictions. He has a partner that works for him in the Special Task Unit. For the first 7 seasons, Ukyo’s first partner is Kaoru Kameyama. He is a good-natured, hot-tempered, straightforward and somewhat scattered detective. Beginning in Season 8, Takeru Kanbe replaces Kameyama. Contrary to his predecessor, Takeru is a lanky, cool, conceited and confident detective. From Season 11 to Season 13, Ukyo’s partner is a young detective Toru Kai. Toru is a son of Deputy Director-General of The National Police Agency. But he became a detective by his own effort. And starting with Season 14, Ukyo’s current partner is Wataru Kaburagi, an elite bureaucrat who came to the Metropolitan Police Department on temporary assignment. As the first partner without any career of a police officer, he will face challenging cases together with Ukyo.

Sergeant Thomas Jefferson Hooker is a tough-as-nails veteran police officer with the LCPD who turns his back on a gold badge and goes back to patrolling the streets and training recruits. Along with his young partners in blue, Hooker take on Lake City's toughest criminals.

Barnaby Jones is a television detective series starring Buddy Ebsen and Lee Meriwether as father- and daughter-in-law who run a private detective firm in Los Angeles. The show ran on CBS from January 28, 1973 to April 3, 1980, beginning as a midseason replacement. William Conrad guest starred as Frank Cannon of Cannon on the first episode of Barnaby Jones, "Requiem for a Son" and the two series had a two-part crossover episode in 1975, "The Deadly Conspiracy".

Police Detective Sgt. Joe Friday and his partners investigate crimes in Los Angeles.

Jack Irish is a man getting his life back together again. A former criminal lawyer whose world imploded, he now spends his days as a part-time investigator, debt collector, apprentice cabinet maker, punter and sometime lover – the complete man really. An expert in finding those who don’t want to be found – dead or alive, Jack helps out his mates while avoiding the past. That is until the past finds him.

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.

Streetwise Detective David Starsky partners up with a more intellectual partner, Kenneth 'Hutch' Hutchinson, to protect citizens and patrol the streets of Bay City.

Karl Alberg moves to a quiet coastal town to soothe a psyche that has been battered by big-city police work but finds himself needing to call upon all his skills to solve the murders that continue to wash up on his shore.

After years as an MI6 operative, Sylvia winds up in a village in Umbria visiting her sister Isabel and becomes involved in a murder investigation.

Brighton based Detective Superintendent Roy Grace is a hard-working police officer who has given his life to the job, but his career is currently at rock bottom. He’s fixated by the disappearance of his beloved wife, Sandy, and running enquiries into long forgotten cold cases with little prospect of success. Following another reprimand for his unorthodox police methods, Grace is walking a career tightrope and risks being moved from the job he loves most.

This crime series follows Jim, a Chicago cop who gets kicked off the force after being shot and wrongfully accused by his ex-captain of having an affair with his wife. After receiving his payout, Jim decides to moves to a small Florida town to join the state police.

A sharp detective with a messy life, DCI Vera Stanhope patrols her “patch” of northeast England, pursuing the truth in cases of murder, kidnapping, and blackmail. Vera is obsessive about her work and faces the world with caustic wit, guile and courage.

The daily lives of the men and women at Sun Hill Police Station as they fight crime on the streets of London. From bomb threats to armed robbery and drug raids to the routine demands of policing this ground-breaking series focuses as much on crime as it does on the personal lives of its characters.

The hard-boiled saga of hair-trigger cop Lieutenant Mike Torello and his obsessive pursuit of ruthless gangster Ray Luca.

Unorthodox but effective FBI veteran agent Charles Barker takes on a rookie partner, Ellis Dove. Barker trains Dove in a hard-edged, psychologically driven approach towards undercover work, where a moment's hesitation can lead to death. As the job takes its toll on Dove, an Internal Affairs team tries to enlist the rookie as a double-agent in the bureau's investigation of his partner.

When an assassin's bullet confines him to a wheelchair for life ending his career as Chief of Detectives, Robert T. Ironside becomes a consultant to the police department. Detective Sergeant Ed Brown and policewoman Eve Whitfield join with him to crack varied and fascinating cases. Ex-con Mark Sanger is employed by the chief as home help but eventually becomes a fully fledged member of the team also. Officer Whitfield leaves after 4 years service, and is replaced by Officer Fran Belding.

DS Barbara Havers is assigned to work with the upper-crust DI Thomas Lynley to solve murders.

Silk Stalkings is a crime drama television series. The series portrays the daily lives of two detectives who solve sexually-based crimes of passion among the ultra-rich of Palm Beach, Florida.

Jao Sua Song leads the Five Dragon Guild, but family chaos brews. Eldest son Thian faces pressure to inherit power while battling forbidden love.

Father Brown is based on G. K. Chesterton's detective stories about a Catholic priest who doubles as an amateur detective in order to try and solve mysteries.

20 years ago, Pak Nam Pho, Phon Sawan, Pho Nam Pho and Pak Nam are co-pilts, teachers who swear by brothers. Both are skilled and patriotic. The fire department entered the cadets and chose to study the police. The front scene is The young man who has a wide heart magnate son Has a wealthy position Trade and mill operations in the metropolitan area Rapids ignore Tia's work Secretly to work as a spy for the government When the polarity changes power, causing the mission to be canceled.

Set in London, each episode is a self-contained story, starting with a news report, then following the team of three detectives as they investigate the circumstances the crime. The cases themselves are hard-hitting with contemporary themes, such as the search for a soldier with PTSD, a murder that has been made to look like an assisted suicide and the gang rape of a young teenager.

In an alternate version of the present, Tokyo has been decimated by a shocking terrorist attack, and the only hint to the identity of the culprit is a bizarre video uploaded to the internet. The police, baffled by this cryptic clue, are powerless to stop the paranoia spreading across the population. While the world searches for a criminal mastermind to blame for this tragedy, two mysterious children - children who shouldn't even exist - masterfully carry out their heinous plan. Cursed to walk through this world with the names Nine and Twelve, the two combine to form "Sphinx," a clandestine entity determine to wake the people from their slumber - and pull the trigger on this world.

Trapped on an island destroyed by a tsunami, the students of an elite school try to hold on to hope. But mysterious forces seem to work against them.

Former delinquent turned unconventional prosecutor Kohei Kuryu shakes up the legal world with his street-smart instincts and unorthodox style, clashing with ambitious colleague Maiko Amamiya while his relentless pursuit of justice gradually transforms those around him.

A young woman is kidnapped. Her belongings are delivered one after the other. Shota Zaizen is the CEO of Zaizen Corporation. He remembers a similar case 18 years ago, when he worked as a researcher at a private detective agency. That case involved a client's daughter who was kidnapped by a man named Tanioka and the victim's personal belongings like underwear, fingernails, pictures were delivered to the father. Shota Zaizen is shaken, because he found success by using that case from 18 years ago. Everything he has now is thanks to that case. The perpetrator Tanioka was never caught. Now, Shota Zaizen's 18-year-old daughter Mika goes missing. Mika's belongings are delivered to Shota Zaizen. Shota Zaizen carries out an investigation by himself. He also discovers about his wife Yuko's past.

John Reese, former CIA paramilitary operative, is presumed dead and teams up with reclusive billionaire Finch to prevent violent crimes in New York City by initiating their own type of justice. With the special training that Reese has had in Covert Operations and Finch's genius software inventing mind, the two are a perfect match for the job that they have to complete. With the help of surveillance equipment, they work "outside the law" and get the right criminal behind bars. 

Constable Benton Fraser, an officer of the Royal Canadian Mounted Police, is attached to the Canadian consulate but works with Chicago Police Department to solve crimes.

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?

To survive in a dog-eat-dog world, two rival lawyers with high-class clientele tear apart anything that stands in the way of their ambitions.

Jung Seo Yeon happens to get 9.9 Billion won (U$D 9 Million) and she fights against the world. Jung Seo Yeon and her family suffered from violence by her father. She left their home and started a new life with an affectionate man, but her happy life ended. She struggles to look for happiness in her life. Kang Tae Woo is an ex-detective. He attempts to reveal the truth behind the death of his younger sibling.

The City of Angels is falling apart, and crime pervades the city to the core. The mayor is corrupt, the police are inept, the city needs a figure to take control of the situation. Then in the light of day Darcy Walker is a cop, but in the dark of night she becomes the Black Scorpion. She does with a mash what she can't do with a badge. This is vigilante justice, old school style.

Father Dowling is a sleuthing parish priest from Chicago who investigates baffling crimes

Imai Joji is a detective with zero investigation ability while his daughter, Mei, is a deduction geek. This is the story of a detective who was hanging on the edge of his career but was able to solve a case through his daughter's podcasts.

Kidnapped is an American television drama series from Sony Pictures Television which aired on NBC from September 20, 2006, to August 11, 2007. The series returned on Universal HD in 2008.

Thanks to his police officer father's efforts, Shawn Spencer spent his childhood developing a keen eye for detail (and a lasting dislike of his dad). Years later, Shawn's frequent tips to the police lead to him being falsely accused of a crime he solved. Now, Shawn has no choice but to use his abilities to perpetuate his cover story: psychic crime-solving powers, all the while dragging his best friend, his dad, and the police along for the ride.

There are a lot of dark secrets at Seonam Girls High School, but nothing is too difficult to solve for the school's Sherlockian group of private investigators. Mentored by their teacher Ha Yeon Joon, these beautiful and intelligent sleuths use investigatory finesse to solve hot-button cases, including abortion, bullying and suicide.