The application of psychology to lawmaking, law enforcement, the examination of witnesses, and the treatment of the criminal; also known as legal psychology.

Forensic psychologists often work within the judicial system in such diverse areas as determining an inmate's readiness for parole; evaluation of rehabilitation programs; criminal competency; tort liability and damages; eyewitness testimony and evidence; jury selection; and police training. Forensic psychology may also be employed in other areas of jurisprudence, including patent and trademark disputes, divorce and custody cases, product liability, and taxation.

Forensic psychologists advise their clients in several ways, including diagnostic appraisals, which may be used to determine the...