[2] These psychologists then apply the science and profession of psychology in four primary domains of practice: assessment (primarily preemployment assessments of prospective candidates and fitness-for-duty evaluations of incumbent personnel), clinical intervention, operational support, and organizational consultation.
Police and public safety psychology intervention strategies primarily include short-term cognitive behavioral treatments and approaches.
Training also includes review of research regarding the relative efficacy as well as the limitations of post-crisis interventions unique to law enforcement personnel (e.g., post-shooting incidents, line-of-duty deaths, deep undercover stress reactions).
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.
This field covers the full range of investigation related activities such as: This sphere has been much abused worldwide with the spread of the use of originally Eastern methods, including gradual copying of the type of methods once associated to some areas of Asia, what characterizes the latter is the contacting of the suspect via mental means, "thinking to" techniques known already in Eastern Europe followed by repetition of the alleged offence continually mentally to make it start repeating itself in the mind and even begin to affect speech.