The elderly are killed. Young women are raped. And able-bodied men are given hammers, machetes and sticks and forced to fight to the death.
The trafficker said those who survive are taken captive and eventually given suicide missions, such as riding into a town controlled by rivals and shooting up the place.
"They love brutality," Vigil said of the Zetas. "They do not care whether you are a police officer, a trafficker or an innocent bystander.