The Sinaloa Cartel’s ‘El Mayo,’ Mexico’s Last True Capo

At the start of the fourth month of Mexico’s new government -- the so-called “Fourth Transformation” -- two feared capos have emerged as the kings of drug trafficking: the Sinaloa Cartel’s "El Mayo,” and the leader of the Jalisco Cartel New Generation, "El Mencho."

Juarez Cartel Profile

Juarez Cartel

The Juarez Cartel is responsible for smuggling tons of narcotics from Mexico into the U.S. throughout its long and turbulent history, and the group's intense rivalry with the Sinaloa Cartel helped turn Juarez into one of the most violent places in the world.