 Complete the following phrase:  Deriabin was born in Siberias Altai region. He was a member of the Communist Party. He went to Biysk Teachers College as well as the Institute for Marxism-Leninism. In World War II, he was wounded four times and was reassigned to the Soviet Navys SMERSH military counterintelligence group. He was later an investigator with the Peoples Commissariat of Internal Affairs NKVD, where he eventually moved up to the organizations headquarters and gained the rank of Colonel. Deriabin was Stalins bodyguard for a short while, and accompanied him to the conferences at Yalta, 