Drug lord Rafael Caro Quintero has long been wanted by the DEA for killing of agent Enrique “Kiki” Camarena in 1985.

Cartel leaders Rafael Caro Quintero and Vicente Carrillo Fuentes are set to be arraigned in a U.S. federal court in New York City on Friday, following their surprise transfer from Mexico. The pair were among 29 Mexican prisoners sent Thursday to eight cities across the U.

Mexico has sent infamous drug lord Rafael Caro Quintero to the United States along with 28 other prisoners requested by the U.S. government. Caro Quintero was behind the killing of a U.S. DEA agent in 1985.

Mexico has extradited notorious drug lord Rafael Caro Quintero and 28 other fugitive cartel members to the United States, according to the US Department of Justice. Caro Quintero, considered by Mexican authorities to be the founder of the Guadalajara cartel,

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.

Rafael Caro Quintero, nicknamed “El Narco de Narcos” (The Narco of Narcos) is the founder of the now defunct Guadalajara Cartel—one of the most powerful drug cartels of the 1980s that later splintered into various groups, including the Sinaloa Cartel, one of the world’s most powerful criminal organizations and drug cartels.

"Caro Quintero, a cartel kingpin who unleashed violence, destruction, and death across the United States and Mexico, has spent four decades atop DEA's most wanted fugitives list, and today we can proudly say he has arrived in the United States where justice will be served," DEA Acting Administrator Derek S. Maltz said in a press release.