Cartel leader threatens deadly force on U.S. police
By Josh Meyer
SELLS, Ariz. — The reputed head of Mexico's Sinaloa drug cartel is threatening a more aggressive stance against competitors and law enforcement north of the border, instructing associates to use deadly force, if needed, to protect increasingly contested trafficking operations, authorities said.
Such a move by Joaquin "El Chapo" Guzman, Mexico's most-wanted fugitive, would mark a turn from the cartel's previous position of largely avoiding violent confrontations in the U.S. -- either with law enforcement officers or rival traffickers.
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