Johannes "Hans" Max Clemens (February 9, 1902 – September 9, 1976) was a German functionary of respectively the SS, '' Sicherheitsdienst'' (SD, Security Service) was primarily the intelligence service of the SS and the Nazi Party in Nazi Germany. Clemens was also known as the Tiger of Como while serving as a captain in the SS. During the war, he participated in the Ardeatine massacre. Clemens, together with other SS officers, including Herbert Kappler, Karl Hass, Carl-Theodor Schütz, and Erich Priebke, formed the first firing squad, which shot the first 12 victims. After the war, however, Clemens was acquitted of involvement by an Italian military court. He was released and returned to

West Germany West Germany is the colloquial term used to indicate the Federal Republic of Germany (FRG; german: Bundesrepublik Deutschland , BRD) between its formation on 23 May 1949 and the German reunification through the accession of East Germany on 3 O ...

in 1949. Clemens joined the Gehlen Organization and with

Heinz Felfe Heinz Paul Johann Felfe (March 18, 1918 – May 8, 2008) was a German spy. At various times he worked for the intelligence services of Nazi Germany, Great Britain, the Soviet Union, and West Germany. It is still not clear when he started ...

, started feeding information to the Soviets. Before this work was discovered, he worked with the successor of the Gehlen Org, the ''

Bundesnachrichtendienst The Federal Intelligence Service (German: ; , BND) is the foreign intelligence agency of Germany, directly subordinate to the Chancellor's Office. The BND headquarters is located in central Berlin and is the world's largest intelligence head ...

'' (Bundesnachrichtendienst (Federal Intelligence Service, BND), the foreign intelligence agency of the modern German government, under the control of the Chancellor's Office). Clemens was part of a group of Soviet spies who were put on trial in 1963. His co-defendants were Heinz Felfe and

Erwin Tiebel Erwin Tiebel (born 10 November 1903) was a German lawyer. After the Nazis took power he joined the Leipzig chapter of the party in April 1933. During the late 1930s he began working for the security services. His involvement became progressiv ...

. Clemens and Felfe admitted to having transmitted great amounts of secret information to the Soviets, including 15,000 classified documents. All three were convicted, with Clemens receiving a 10-years sentence for espionage. He was released from prison on health grounds in 1968.

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{{DEFAULTSORT:Clemens, Hans 1902 births 1976 deaths 1963 in politics BND agents convicted of crimes Double agents German mass murderers Military personnel from Dresden People from the Kingdom of Saxony People indicted for war crimes People acquitted of international crimes Prisoners and detainees of Italy Reich Security Main Office personnel West German people convicted of spying for the Soviet Union SS-Hauptsturmführer Nazis convicted of crimes Nazi war criminals