A "ruthless" Venezuelan prison gang is now operating within the United States, CNN reported Monday.

An alleged multistate human trafficking ring forcing immigrant women into prostitution. The mysterious killing of a former police officer in South Florida.
Attacks against police officers in New York. The arrest of a drug dealer in Chicago. Local and federal officials say these apparently unrelated crimes have a common denominator: Tren de Aragua, a transnational criminal gang that originated in a Venezuela prison and has slowly made its way south and north in recent years.