Mexican officials stated Statement that 49 people were decapitated Killing and mutilated Bodily_harm by members of Los Zetas drug Committing_crime cartel and dumped by a roadside near the city of Monterrey in northern Mexico .

The authorities have blamed Judgment_communication much of the violence Violence on Los Zetas – a cartel originally set up by ex-commandos that deserted Escaping the Mexican Army in the 1990s – and the Sinaloa Cartel , an organization originally headed by Joaquín Guzmán Loera ( a.k.a .

The 2011 San Fernando massacre Killing , also known as the second massacre Killing of San Fernando , was the mass murder Killing of 193 people by Los Zetas drug cartel at La Joya ranch in the municipality of San Fernando , Tamaulipas , Mexico in March 2011 .

although the government crackdown of the drug cartels dates back to 2006 , monterrey became Becoming an increasingly violent city in 2010 , due Causation to the rupture of the gulf cartel and los zetas .

It was later confirmed Check that the riot Violence and brawl Hostile_encounter `` served as cover for a massive jailbreak '' for the members of the Zetas drug cartel , who attacked Attack the Gulf Cartel inmates .