Mexican Cartels have always had a penchant for violence, but the brutal tactics of Los Zetas plunged Mexico into never before seen levels of bloodshed. Originally formed by only a few dozen special forces soldiers who went rogue and became the enforcement wing of the Gulf Cartel, Los Zetas eventually broke away and ran roughshod all over Mexico, warring with everyone from the Sinaloa Cartel to the Mexican army at the same time. Gone were the days of gangbangers, instead Los Zetas would usher Mexico's cartels into a new era of paramilitary forces.
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