The enigmatic Arguedas was not only working for the CIA. He was a former member of the Communist Party and a friend of Mario Monje’s, and over the next several years, he functioned as a triple agent. He worked for the CIA, the Bolivian Communist Party, and eventually the Cubans. Thirty years later, none of his former colleagues in these various services could say with certainty where his true loyalties lay at any given time.