After the war the CIA conducted its own investigation into Musulin, which concluded that he had acted appropriately and that he had been the victim of James Klugmann and other British agents in the SOE with communist sympathies.
Nakon rata, CIA je provela vlastitu istragu o Musulinu, te je došla do zaključka da je postupao ispravno i da je on postao žrtva Jamesa Klugmanna i drugih britanskih agenata u SOE sa komunističkim simpatijama.