Los Zetas
Overview
 
Los Zetas is the second most powerful drug cartel
Drug cartel
Drug cartels are criminal organizations developed with the primary purpose of promoting and controlling drug trafficking operations. They range from loosely managed agreements among various drug traffickers to formalized commercial enterprises. The term was applied when the largest trafficking...

 in Mexico
Mexico
The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...

 and considered by the U.S. Drug Enforcement Administration as the most violent drug cartel
Drug cartel
Drug cartels are criminal organizations developed with the primary purpose of promoting and controlling drug trafficking operations. They range from loosely managed agreements among various drug traffickers to formalized commercial enterprises. The term was applied when the largest trafficking...

 and paramilitary
Paramilitary
A paramilitary is a force whose function and organization are similar to those of a professional military, but which is not considered part of a state's formal armed forces....

 enforcement group in Mexico. Los Zetas is a criminal organization dedicated mostly to international illegal drug trade
Illegal drug trade
The illegal drug trade is a global black market, dedicated to cultivation, manufacture, distribution and sale of those substances which are subject to drug prohibition laws. Most jurisdictions prohibit trade, except under license, of many types of drugs by drug prohibition laws.A UN report said the...

, assassinations, extortion
Extortion
Extortion is a criminal offence which occurs when a person unlawfully obtains either money, property or services from a person, entity, or institution, through coercion. Refraining from doing harm is sometimes euphemistically called protection. Extortion is commonly practiced by organized crime...

, kidnapping
Kidnapping
In criminal law, kidnapping is the taking away or transportation of a person against that person's will, usually to hold the person in false imprisonment, a confinement without legal authority...

 and other organized crime activities. This drug cartel, now led by Heriberto Lazcano, was founded by a group of over 30 former Mexican Army Special Forces
Grupo Aeromóvil de Fuerzas Especiales
The Grupo Aeromóvil de Fuerzas Especiales or more commonly known as Fuerzas Especiales/Special Forces is a special forces unit of the Mexican Army's Special Forces Corps, trained by the world's special forces. There are a total of nine battalions, one High Command GAFE unit and one other group...

 deserters, and includes corrupt former federal, state, and local police officers, as well as ex-Kaibiles
Kaibiles
The Kaibiles are a special operations force of the Military of Guatemala. They specialize in jungle warfare tactics and counter-insurgency operations....

 from Guatemala
Guatemala
Guatemala is a country in Central America bordered by Mexico to the north and west, the Pacific Ocean to the southwest, Belize to the northeast, the Caribbean to the east, and Honduras and El Salvador to the southeast...

.

Los Zetas started as the military wing and private mercenary
Mercenary
A mercenary, is a person who takes part in an armed conflict based on the promise of material compensation rather than having a direct interest in, or a legal obligation to, the conflict itself. A non-conscript professional member of a regular army is not considered to be a mercenary although he...

 army of the Gulf Cartel
Gulf Cartel
The Gulf Cartel is one of the most powerful drug cartels in Mexico, and perhaps the oldest organized crime group in the country...

, but after the arrest of the Gulf Cartel's leader, Osiel Cárdenas Guillen, the two entities became a combined trafficking force, with the Zetas taking a more active leadership role in drug trafficking.
 
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