A number of Holocaust trials in Soviet Estonia were held in the 1960s.The best-known trial was brought in 1961, by the local Soviet authorities against Estonian collaborators who had participated in the execution of the Holocaust during the Nazi German occupation (1941–1944). The accused were charged with murdering up to 5000 German and Czechoslovakian Jews and Gypsies near the Kalevi-Liiva concentration camp in 1942–1943. The public trial by the Supreme Court of the Estonian SSR was held in the auditorium of the Navy Officers Club in Tallinn and attended by a mass audience. All three defendants were convicted and sentenced to death, two of them were executed shortly after. The third defendant, Ain-Ervin Mere was tried in absentia and was not available for execution.