All news on the topic: Zetas

The use of Mexico’s now-legendary narco tanks in face-offs between criminal groups is growing, and technological innovations have helped them evolve from being a symbolic emblem to an important tactical weapon on the battlefield.

The United States has released Osiel Cárdenas Guillén, the former Gulf Cartel leader who created the Zetas and ushered in the hyper-violent organized crime wars that have marked Mexico since the turn of the century.