Law enforcement agencies estimate that tens of thousands of gangs operate across the United States today. These groups range from street gangs and prison gangs to organized criminal networks.

LEXINGTON, Ky. (LEX18) — Gang activity exists in Lexington, according to police and two former gang members who now work to steer youth away from violence. LEX18’s Kayleigh Randle recently broke down ...

TAMARA KEITH, HOST: The island nation of Haiti is in crisis. There are food shortages, a crumbling government, and gangs are expanding their reach. The Miami Herald's Jacqueline Charles joins us now ...