A lawsuit was filed Thursday under a new designation by President Trump that classifies several drug cartels as terrorist ...

Ismael “El Mayo” Zambada, a historic leader of Mexico’s Sinaloa cartel, left, and Joaquín Guzmán López, a son of another infamous cartel leader, after they were arrested by U.S ...

It isn’t the only new routine in Culiacan, a city of 1 million residents that for the past six months has been the battlefield for the two main factions of the Sinaloa drug cartel. The violence ...