 Complete the following phrase:  Born in Riga, he was an active revolutionary who participated in the Russian Civil War and eventually became active in Jewish Anti-Fascist Committee JAC. Shimeliovich was arrested on January 13, 1949 for espionage. He was so severely beaten during the interrogations that he had to be carried on a stretcher into the court three years after. He was executed in August 1952 together with other members of JAC, which became known as the 