Two warring factions of the Sinaloa cartel appear to be fighting for power since two of its leaders were arrested in the U.S.

Mexican President Andres Manuel Lopez Obrador said Thursday that the United States share the blame for the bloody drug cartel ...

The recent surge in cartel warfare had been expected after Joaquín Guzmán López, a son of former Sinaloa cartel leader ...

The politics of immigration look different from communities on the Southwest border that are voting in hotly contested ...