The story

Joaquin "El Chapo" Guzman Loera, a 54-year-old drug cartel leader whose nickname means "Shorty," is the most wanted man in Mexico. He's also one of the most wanted men in the United States.

For five years, the State Department has kept a $5 million bounty on his head, calling Guzman a threat to U.S. security.

Guzman, who leads the Sinaloa cartel, is a key player in the bloody turf battles being fought along the border. Read full article »

CNN's Eliott C. McLaughlin contributed to this story

All About Sinaloa CartelJuarez CartelGulf CartelU.S. Drug Enforcement Administration

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