A Mexican marine stands in front of confiscated firearms, cocaine and military uniforms, seized from alleged members of Zetas drug cartel and presented to press in June 2011, in Mexico City. The Zetas... more 

A Mexican marine stands in front of confiscated firearms, cocaine and military uniforms, seized from alleged members of Zetas drug cartel and presented to press in June 2011, in Mexico City. The Zetas were originally hired as enforcers for the Gulf Cartel, but turned on their employers and have taken over their lucrative turf, which includes key land routes to smuggle drugs into the United States less