Police impersonation
Police impersonation is the act of falsely portraying oneself as a member of the police for the purpose of deception. == Typology and methods == Criminology research has developed a typology of police impersonators, categorizing offenders as (1) "police enthusiasts" (or "wannabe cops"); (2) compulsive deviants; and (3) common criminals seeking material gain through thefts and robberies committed through vehicle pull-overs and home invasions.