The Criminal Investigator

Dempsey and Makepeace is a British television crime drama made by London Weekend Television for ITV, created and produced by Ranald Graham. The leading roles were played by Michael Brandon and Glynis Barber, who later married each other on 18 November 1989. The series combined elements of previous series such as the mis-matching of British and American crime-fighters from different classes as seen in The Persuaders! and the action of The Professionals.

Jack Regan, an unethical officer of the Flying Squad, uses unorthodox methods to pursue criminals with the help of his partner, George Carter.

Danger Man is a British television series which was broadcast between 1960 and 1962, and again between 1964 and 1968. The series featured Patrick McGoohan as secret agent John Drake. Ralph Smart created the programme and wrote many of the scripts. Danger Man was financed by Lew Grade's ITC Entertainment.

Hunter is an American police drama television series created by Frank Lupo, and starring Fred Dryer as Sgt. Rick Hunter and Stepfanie Kramer as Sgt. Dee Dee McCall, which ran on NBC from 1984 to 1991. However, Kramer left after the sixth season to pursue other acting and musical opportunities. In the seventh season, Hunter partnered with two different women officers. The titular character, Sgt. Rick Hunter, was a wily, physically imposing, and often rule-breaking homicide detective with the Los Angeles Police Department. The show's main characters, Hunter and McCall, resolve many of their cases by shooting dead the perpetrators. The show's executive producer during the first season was Stephen J. Cannell, whose company produced the series.

Mannix is an American television detective series that ran from 1967 through 1975 on CBS. Created by Richard Levinson and William Link and developed by executive producer Bruce Geller, the title character, Joe Mannix, is a private investigator. He is played by Mike Connors. Mannix was the last series produced by Desilu Productions.

A quarter-life crisis causes a young Chinese-American woman to drop out of college and go on a life-changing journey to an isolated monastery in China. But when she returns to find her hometown overrun with crime and corruption, she uses her martial arts skills and Shaolin values to protect her community and bring criminals to justice…all while searching for the assassin who killed her Shaolin mentor and is now targeting her.

A relentless LAPD cop becomes obsessed with taking down the master thief behind a string of daring heists — and only one can come out on top.

A former DEA agent forced into early retirement runs a gift shop in in the Philippines. Despite his best efforts to begin a tranquil new life, he’s pulled back into a world of dangerous people and deadly situations, either through his friends in the local police department or running into people from his old life. And the problem is: he likes it.

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

Scarecrow and Mrs. King is an American television series that aired from October 3, 1983, to May 28, 1987 on CBS. The show stars Kate Jackson and Bruce Boxleitner as divorced housewife Amanda King and top-level "Agency" operative Lee Stetson who begin a strange association, and eventual romance, after encountering one another in a train station.

The Mod Squad was the enormously successful groundbreaking "hippie" undercover cop show that ran on ABC from September 24, 1968, until August 23, 1973. It starred Michael Cole as Pete Cochren, Peggy Lipton as Julie Barnes, Clarence Williams III as Linc Hayes, and Tige Andrews as Captain Adam Greer. The executive producers of the series were Aaron Spelling and Danny Thomas. The iconic counter-culture police series earned six Emmy nominations, four Golden Globe nominations plus one win for Peggy Lipton, one Directors Guild of America award, and four Logies. In 1997 the episode "Mother of Sorrow" was ranked #95 on TV Guide's 100 Greatest Episodes of All Time.

A bald, lollipop sucking police detective with a fiery righteous attitude battles crime in New York City.

Fun-loving San Francisco Police Department investigator Nash Bridges is part of the elite Special Investigations Unit. He tackles crime using his keen sense of humor and charm. Joe Dominguez comes out of retirement to become Bridges' wisecracking yet more rule-abiding partner.

A covert team of special forces operatives risk their lives on undercover missions around the globe, while their wives maintain the homefront, protecting their husbands' secrets.

Wandering in and out of he underbelly of Los Angeles, where criminals roam free under the veil of night or hide in the shadows of day, is routine for Lieutenant Carter Shaw and his special undercover task force. This team understands that to bring down a criminal, one must first get on their level.

Jake and the Fatman is a television crime drama starring William Conrad as prosecutor J. L. "Fatman" McCabe and Joe Penny as investigator Jake Styles. The series ran on CBS for five seasons from 1987 to 1992. Diagnosis: Murder was a spin-off of this series.

The Hardy Boys/Nancy Drew Mysteries is a television series which aired for three seasons on ABC. The series starred Parker Stevenson and Shaun Cassidy as amateur sleuth brothers Frank and Joe Hardy, respectively, and Pamela Sue Martin as girl detective Nancy Drew. The Hardy Boys/Nancy Drew Mysteries was unusual in that it often dealt with the characters individually, in an almost anthological style. That is, some episodes featured only the Hardy Boys and others only Nancy Drew.

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.

S.W.A.T. is an American action/crime drama series about the adventures of a Special Weapons And Tactics team operating in an unidentified California city. A spin-off of The Rookies, the series aired on ABC from February 1975 to April 1976. Like The Rookies, S.W.A.T. was produced by Aaron Spelling and Leonard Goldberg.

Jack Reacher, a veteran military police investigator, has just recently entered civilian life. Reacher is a drifter, carrying no phone and the barest of essentials as he travels the country and explores the nation he once served.