< release of special report 14

"Interpreter" Reuben (or Ruben) Efron's account of the sighting for the CIA. Interestingly, it is written as a first-person, internal memo for the Chief of a CIA division, the FI Staff, Foreign Intelligence (espionage). This led Brad Sparks to conclude that Efron was a CIA Clandestine Service espionage officer skilled in the Russian language.

Source: CIA Electronic Document Release Center