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Published on Aug 8, 2012
Zetas and Mexican Mafia united in Laredo Texas. The gang's constitution declares that members, "shall deal in drugs, contract killings, large-scale robbery, gambling, weapons and everything imaginable".
Members are expected to be willing to kill or be killed for the gang, states the constitution, which further notes that once released from prison, "free-world soldiers," are required to serve the gang by dealing in drugs.
And like other major prison gangs, the Mexican Mafia is ruled by a paramilitary type hierarchy, with a president and vice president as well as generals, captains and other officers.
Emil Garza, head of the central gang intelligence office for the Texas Department of Criminal Justice, said the Mexican Mafia avoids attention and is more calculating than other gangs.
"Believe it or not, they really think things out before they do them," he said. "They do not like to be in the limelight, but they are out there doing a lot of things, more so in the free world than inside the system."