WASHINGTON- New details are emerging about the arrest of one of the world's most wanted drug lords.
A U.S. government official and a senior federal law enforcement official say cellphone intercepts and the arrests of a courier and top aide to Joaquin "El Chapo" Guzman led to his arrest early Saturday.
The officials say U.S. and Mexican authorities found a cellphone belonging to the aide on Feb. 16 at a house where drugs were stored.
Another wiretap run by Immigration and Customs Enforcement led authorities to the beachfront condo where Guzman was taken into custody.
Guzman was armed with a military-style assault rifle when he was arrested.
The officials spoke on the condition of anonymity because they were not authorized to discuss details of the investigation.
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