A Mexican drug cartel known for kidnapping random civilians and beheading its rivals has expanded its operations into the U.S. The gang known as Los Zetas is recruiting U.S. prison and street gangs, and non-Mexicans, for its drug trafficking and support operations in Mexico and the U.S. An FBI intelligence bulletin notes that “multiple sources” reported the shift in Los Zetas recruiting. The cartel sought to maintain a highly disciplined and structured hierarchy by recruiting members with specialized training, such as former military and law enforcement officers. “The FBI judges with high confidence that Los Zetas will continue to increase...