Gangs Criminal behavior 27 Criminal investigation 22 Murder 22 Criminals 20 Law enforcement 12 Violence 6 plus ... Crime 5 Drugs 4 Shooting 4 Organized crime 3 History 2 Police 2 Prison gangs 2 Prisons 2 Antisemitism 1 Conduct of life 1 Courts 1 Criminal psychology 1 Death 1 Dogfighting 1 Forensic psychology 1 Gang units 1 Gangsters 1 Haitians 1 Hispanic American criminals 1 Hispanic American gangs 1 Hispanic American youth 1 Irish American criminals 1 Italian American criminals 1 moins ...