A detective is an investigator, usually a member of a law enforcement agency. They often collect information to solve crimes by talking to witnesses and informants, collecting physical evidence, or se
Police detectives investigating a homicide in Oklahoma City, Oklahoma, United States
H Division, of police detectives, including Frederick Abberline (left, with cane), at Leman Street police station, of the London Metropolitan Police, two years before the Jack the Ripper serial killer murders of 1888. Photograph circa 1886
Allan Pinkerton (pictured here circa 1861) was, in 1850, a detective of the Chicago Police Department and, in 1851, the founder of the Pinkerton Detective Agency.
Edward Bonney, an American bounty hunter and amateur detective from Iowa who in 1845 infiltrated the "Banditti of the Prairie", wrote the 1850 book The Banditti of the Prairies: or, The murderer's doom, a tale of Mississippi Valley and the Far West; woodcut from 1850.
A law enforcement agency is any government agency responsible for law enforcement within a specific jurisdiction through the employment and deployment of law enforcement officers and their resources.
Detective
…A detective is an investigator, usually a member of a law enforcement agency. They often collect information to solve crimes by talking to witnesses and informants, collecting physical evidence, or searching records in databases…
Scotland Yard, headquarters of the Metropolitan Police, the law enforcement agency of London, England
The exterior of the Los Angeles Police Department's West Valley Area Police Station. The LAPD operates approximately 21 such stations divided across Los Angeles; this one covers policing in the San Fernando Valley.
Bundespolizei officers with their police car
American federal law enforcement agents working together. Each federal LEA in the U.S. has a different focus and jurisdiction; for example, the Bureau of Alcohol, Tobacco, Firearms and Explosives (agent in center) investigates crimes involving alcohol, tobacco, and weaponry.