National Geographic: World's Most Dangerous Gang

Plot outline

With its numbers exceeding 50,000 in the United States alone, the El Salvador-originated gang MS-13 is infecting towns big and small with criminal activity ranging from drug smuggling to gunrunning, human trafficking and more. Correspondent Lisa Ling takes viewers deep within the shadowy organization, revealing its extreme culture and violent rituals through interviews with current and former members, as well as law enforcement officials.