Enrique "Kiki" Camarena Salazar was a Mexican-American agent of the Drug Enforcement Administration. In February 1985, Camarena was kidnapped by police officers hired by the Guadalajara Cartel. From Wikipedia
The 94-year-old, convicted for the 1985 murder of DEA agent Enrique 'Kiki' Camarena, was freed after serving his full sentence, raising questions about potential U.S. extradition efforts.
