Joaquín Guzmán Loera, or "El Chapo," who is Mexico's most wanted drug lord and tops the  fugitive list of U.S. drug officials, was arrested late Friday or early Saturday morning in Mazatlan, according to a senior U.S. law enforcement official. The Sinaloa Drug Cartel leader has been hiding from Mexican and U.S. authorities for 13 years. U.S. Drug Enforcement Agency placed a $5 million bounty on his head. El Chapo" is reportedly worth $1 billion and it is estimated that he is responsible for 10,000 deaths. The Sinaloa cartel is the most powerful of the drug-trafficking groups in Mexico. It is the oldest and richest cartel. The Sinaloa are known for  their shipments of tons of cocaine and marijuana to the U.S. 

The U.S. official reported that "El Chapo" was arrested without incident. “No shots were fired,” the law enforcement official said via the Washington Post. He was previously arrested in the 1990s but notoriously escaped because of a power bribe with corrupt Mexican officials. and has been on the run ever since. He is considered extremely dangerous and violent. The capture is being reported as a joint U.S.-Mexico operation.