The move by Mexico to allow the transfer of Rafael Caro Quintero to the United States signaled a potentially new era of cooperation in the drug war.

Mexico has handed over 29 drug cartel figures to the United States, including one of the FBI’s most wanted, Rafael Caro Quintero, in what observers say is a “show of compliance” by Mexican authorities.

By Luc Cohen NEW YORK (Reuters) -Alleged drug cartel boss Rafael Caro Quintero, who spent decades in prison in Mexico for the murder of a U.S. drug enforcement agent, pleaded not guilty in a U.S. court on Friday to drug trafficking charges that could result in his execution.

Both men face a range of serious charges, including drug trafficking, murder conspiracy and weapons violations.

Rafael Caro Quintero was arraigned on multiple drug and weapons offenses in Brooklyn federal court following his extradition Thursday to the U.S. from Mexico.

Jesus Ricardo Patron Sanchez, 39, the leader of the Mexican “H-2” drug cartel has been hauled into a Brooklyn courtroom to face narcotrafficking charges, federal prosecutors said

A Mexican drug kingpin depicted in Netflix’s gritty crime drama “Narcos” was arraigned Friday in Brooklyn while wearing the handcuffs that belonged to the DEA agent he was

Rafael Caro Quintero was arraigned on multiple drug and weapons offenses in Brooklyn federal court following his extradition Thursday to the U.S. from Mexico.

The Mexican drug kingpin who was brought to the United States on Thursday is accused in the 1985 kidnapping, torture and murder of DEA agent Enrique “Kiki” Camarena.