A police officer is a warranted law employee of a police force. In most countries, police officer is a generic term not specifying a particular rank. In some, the use of the rank officer is legally re
Metropolitan Police officers in London
Policemen in Indonesia patrolling the streets in West Sumatra
A Hokkaido Prefectural Police officer conducting a routine inspection in Ashibetsu.
Hampshire and Isle of Wight Constabulary officers guarding the scene of a traffic collision involving a lorry and a bridge.
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 officer
…highly regarded. Dependent upon each agency, but generally after completing two years of service, officers may apply for specialist positions, such as detective, police dog handler, mounted police officer, motorcycle officer, water police officer, or firearms officer (in countries where police are not routinely…
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.