Police Murder 157 Criminal investigation 131 Investigation 111 Undercover operations 59 Video recordings for the hearing impaired 54 Criminal behavior 48 more ... Man-woman relationships 47 Feature films 46 Drug traffic 45 Policía 44 Murderers 34 Detectives 33 Law enforcement 27 History 25 Crime 23 Barnaby, Chief Inspector (Fictitious character) 22 Police corruption 22 Homicide investigation 21 Revenge 20 Detective and mystery plays 19 Organized crime 18 Serial murderers 18 Special weapons and tactics units 18 Gangsters 17 Friendship 16 Gangs 16 Love 16 Criminals 15 Drug dealers 14 less ...