Police psychology is a specialized field of psychology addressing issues specific to police

Police

The police is a personification of the state designated to put in practice the enforced law, protect property and reduce civil disorder in civilian matters. Their powers include the legitimized use of force...

 personnel and other public safety workers.

Police psychologists

Police psychologists work in three main areas supporting police forces to enhance police organizational structures and processes like pre-employment screening for police and public safety personnel, leadership and command assessment, assessing organizational climate, enhance police operations such as working in crisis and hostage negotiation teams/hostage barricade team, developing offender and terrorist profiles for investigation and crime prevention

Crime prevention

Crime prevention is the attempt to reduce victimization and to deter crime and criminals. It is applied specifically to efforts made by governments to reduce crime, enforce the law, and maintain criminal justice.-Studies:...

, investigative psychology, teaching the psychology of warning systems and evacuations and to provide services for officers and their families such as peer counselling, counselling programs, resilience and life skills building.

Organizations

There are several police and law enforcement agencies in the world today that employ police and law enforcement psychologists and these are:

1. The Federal Bureau of Investigation
   Federal Bureau of Investigation
   The Federal Bureau of Investigation is an agency of the United States Department of Justice that serves as both a federal criminal investigative body and an internal intelligence agency . The FBI has investigative jurisdiction over violations of more than 200 categories of federal crime...
   
    - At the Behavioral Analysis Unit
   Behavioral Analysis Unit
   The Behavioral Analysis Unit is a component of the United States Federal Bureau of Investigation's National Center for the Analysis of Violent Crime that uses behavioral sciences to assist in criminal investigations...
   
   
2. U.S. Air Force Office of Special Investigations - A military investigative agency
3. The National Police Improvement Agency (UK) - Behavioural Investigative Advisors
4. The Hong Kong Police - Hong Kong Police Force
   Hong Kong Police Force
   The Hong Kong Police Force is the largest disciplined service under the Security Bureau of Hong Kong. It is the world's second, and Asia's first, police agency to operate with a modern policing system. It was formed on 1 May 1844, with a strength of 32 officers...
   
    - Psychological Services Group
5. The Japanese Police - Japanese Nation Policy Agency
   National Police Agency (Japan)
   The is an agency administered by the National Public Safety Commission of the Cabinet Office in the cabinet of Japan, and is the central coordinating agency of the Japanese police system....
   
    - National Research Institute of Police Science
   National Research Institute of Police Science
   An attached National Police Agency in Japan.*Research and Development*Identification and Analysis*Training- Organization :*President *Vice President *General Affairs - General Affairs Section, Accounting Section...
   
    at the Criminology
   Criminology
   Criminology is the scientific study of the nature, extent, causes, and control of criminal behavior in both the individual and in society...
   
    and Behavioral Sciences Section
6. Singapore Police Force
   Singapore Police Force
   The Singapore Police Force is the main agency tasked with maintaining law and order in the city-state. Formerly known as the Republic of Singapore Police , it has grown from an 11-man organisation to a 38,587 strong force...
   
    - Police Psychological Services Division (PPSD), Police Headquarters.
7. Behavioural Sciences Unit, Singapore, at the Home Team Academy
   Home Team Academy
   The Home Team Academy is the training institute for various organisations of the Ministry of Home Affairs in Singapore, including the Singapore Police Force, the Singapore Civil Defence Force, the Central Narcotics Bureau, the Singapore Prison Service, the Immigration and Checkpoints Authority,...
   
   .
8. Western Australia
   Western Australia
   Western Australia is a state of Australia, occupying the entire western third of the Australian continent. It is bounded by the Indian Ocean to the north and west, the Great Australian Bight and Indian Ocean to the south, the Northern Territory to the north-east and South Australia to the south-east...
   
    Police Academy - Occupational Psychology Unit.

Professional organizations

1. Society of Police and Criminal Psychology
2. International Association of Chiefs of Police.
3. University of Liverpool - School of Psychology
4. Consortium of Police Psychological Services (COPPS)

Investigative psychology

Investigative psychology is a sub-speciality within police or law enforcement psychology that has gained its own following. This field was started by Professor David Canter at Liverpool (U.K.) and it brings together issues relating to investigative information, the drawing of inferences and the ways in which law enforcement decision-making can be supported through scientific research. Investigative psychology grew directly out of empirical research. This field covers the full range of investigation related activities such as :

1. detection of deception,
2. investigative interviewing,
3. statement analyses
4. behavioral analyses of crimes.

Universities

1. Leicester University (UK). Masters of Science in Forensic Psychology.
2. Portsmouth University (UK). Masters of Science in Forensic Psychology.
3. University of Liverpool
   University of Liverpool
   The University of Liverpool is a teaching and research university in the city of Liverpool, England. It is a member of the Russell Group of large research-intensive universities and the N8 Group for research collaboration. Founded in 1881 , it is also one of the six original "red brick" civic...
   
    (UK). Masters in Investigative and Forensic Psychology.
4. Griffith University
   Griffith University
   Griffith University is a public, coeducational, research university located in the southeastern region of the Australian state of Queensland. The university has five satellite campuses located in the Gold Coast, Logan City and in the Brisbane suburbs of Mount Gravatt, Nathan and South Bank. Current...
   
    (Aus). Masters of Science in Forensic Psychology.
5. University of South Australia
   University of South Australia
   The University of South Australia is a public university in the Australian state of South Australia. It was formed in 1991 with the merger of the South Australian Institute of Technology and Colleges of Advanced Education. It is the largest university in South Australia, with more than 36,000...
   
   (Aus). Master of Forensic Psychology.
6. Nanyang Technological University (Singapore) (not a course itself - but a module). The Forensic Psychology of Crime, Terrorism and Disasters
7. National University of Singapore. Correctional Psychology (Singapore)
8. University of Indonesia (Professor Sarlitos Wirawan Sarwono)
9. Hong Kong University (while it doesn't specialise in police psychology, its faculty includes police psychologists.
10. Bond University