In 1955 Scott asked for a transfer to Mexico City , and took office as station chief there in August 1956 , becoming " a virtual proconsul " ( '' the real power behind the throne '' ) . In December 1958 he launched Operation LITEMPO recruiting agents and collaborators , and gained then Mexican President Adolfo López Mateos as well as future presidents Gustavo Díaz Ordaz and Luis Echeverría . Scott remained in Mexico until his retirement in 1969 , a period that included recording Lee Harvey Oswald 's visit to the Cuban and Soviet embassies in Mexico ( between Sept. 27 and Oct. 2nd , 1963 ) , the rise of the People 's Guerrilla Group in Mexico , the 1968 Tlatelolco students massacre and the eve of the Mexican Dirty War ( the Mexican theatre of the cold war ) . He was pushed into retirement due to a new CIA policy on rotating staff . He was awarded the Distinguished Intelligence Medal
Tlatelolco students massacre
Tlatelolco massacre
Winston M. Scott