 Caro Quintero has also been accused of involvement in the murder of US Drug Enforcement Administration (DEA) agent Enrique "Kiki" Camarena Salazar.In November 1984, the Mexican authorities raided a ranch known as El Búfalo in the state of Chihuahua, owned by Caro Quintero.The authorities reportedly burned more than 10,000 tons of marijuana – totaling a loss of around $160 million.