Narcos Mexico: Inside the notorious drug cartels that peddle coke, meth and more

Mexican cartel boss "El Mencho" was killed in Jalisco, sparking a wave of violence across the country. The Jalisco New Generation Cartel (CJNG), Sinaloa, Los Zetas, Gulf, and Juárez cartels are among Mexico's most powerful and violent criminal groups. A US-led task force played a key role in the operation that killed El Mencho.