Includes records concerning Jewish matters and the policy of local offices toward Jewish questions. Contains orders to arrest war criminals, investigations into alleged war criminals, surveillance of nomadic Romanies, reports on deportation of Jews to Auschwitz, military taxes owed by Jews, surveillance of the Iron Guards, confiscation of Jewish property, treatment of arrested British and American POWs, and correspondence concerning the "Jewish problem." The collection contains selected records from the Legion of Gendarmes of Mures̜, the Mayoralty of Tirgu-Mures̜, the Prefecture of Mures district, the Prefecture of Târnava Mare, the Commissariat of Police in Reghin district, and from various other Gendarmerie headquarters. It also includes selected postwar records of the Jewish Democratic Committees of Tárnaveni in the districts of Tárnava Mică and Mureş, and containing one file concerns orders and regulations about expropriation from Jews and Bulgarians in 1941.

Reports, lists, orders, correspondence, court documents, and testimonies relating to the surveillance of Romanian Jews (including Chief Rabbi Moses David Rosen), Jewish organizations, foreigners in Romania, and members of the Iron Guard (Garde de Fier) by the Serviciul Special de Informatii and other agencies; the special taxes, forced labor, and morale of Jews; the establishment of the Czernowitz (Chernivt︠s︡i) ghetto; the deportation of Jews from Transylvania and other locations to Transnistria (Ukraine); the emigration of Jews from Romania to Palestine; Romanian Jews in concentration camps; massacres and pogroms carried out in Romania; the activities of the International Committee of the Red Cross and of other humanitarian agencies; war crime investigations; war crime trials of Ion Antonescu and others; and the surveillance of Zionists and other illegal Jewish organizations. Also contains information on Jews, includes card files, registration forms, and cards with the identification data for Jews. Some documents have photos of the individuals. Additional records accreted in 2007 contains the SRI's personal file on Silviu Brucan, who was a political scientist and Romanian government official. Formerly a deputy editor of the newspaper of the Romanian communist party, in 1987 he became an opponent of the Ceaucescu regime. Records accreted in 2015 contains: Interrogations of SSI leaders (Fond Penal): Eugen Cristescu (SRI FP/Bucuresti 48163-4 volumes); Gheorghe Cristescu (SRI FP/Bucuresti 17474-3 volumes)-Iasi pogrom, photos of pogrom, history of SgkSI, Iron Guards, Antonescu Ion Lissievici (SRI FP/Bucuresti 25374-36 volumes)-SSI, pogrom Iasi, SSI and Eastern Front.

Memoranda, lists, charts, maps, correspondence, orders, reports, and other documents relating to Jews in forced labor in Romania; deportations of Jews from Bessarabia and Bukovina to Transnistria (Ukraine); establishment of concentration camps in Transnistria; confiscation of Jewish property; executions of Jews; surveillance of Jews in Transnistria; and Hungarian atrocities in Transylvania.