The White House called Caro Quintero “one of the most evil cartel bosses in the world” in a statement before his arraignment, where more than 100 Drug Enforcement Administration agents and other federal officials filled a large ceremonial courtroom.

Rafael Caro Quintero, an alleged cartel boss 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.

The White House called Caro Quintero “one of the most evil cartel bosses in the world” in a statement before his arraignment, where more than 100 Drug Enforcement Administration agents and other federal officials filled a large ceremonial courtroom.

Trump designated drug cartels terrorist organizations and Mexico extradited 29 alleged members, one a suspect in a notorious DEA killing in 1985.

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.

Mexico has sent drug lord Rafael Caro Quintero, who is wanted for the notorious killing of a U.S. DEA agent in 1985, to the United States with 28 other prisoners requested by the U.S. government, the Justice Department confirmed Thursday evening.

Cartel leader Rafael Caro Quintero​, wanted for the notorious killing of a U.S. DEA agent in Mexico, faces arraignment in NYC.

Mexico has extradited dozens of drug cartel figures to the U.S., including Rafael Caro Quintero -- who was behind the kidnapping and murder of DEA agent Enrique "Kiki" Camarena.

Mexico has sent Quintero and 28 other cartel figures to the U.S. as the Trump Administration turns up the pressure on drug trafficking organizations.

Rafael Caro Quintero, the notorious Mexican drug lord convicted of orchestrating the 1985 murder of a U.S. Drug Enforcement Administration agent, was extradited to the United States on Thursday alongside 28 other cartel members.

The extradition comes as top Mexican officials are in Washington trying to head off the Trump administration's threat of imposing 25% tariffs on all Mexican imports starting Tuesday.