Helmut Knochen (March 14, 1910 – April 4, 2003) was the senior commander of the Sicherheitspolizei (Security Police) and Sicherheitsdienst in Paris during the Nazi occupation of France during World War II.In March 1947, a British Military Court sentenced Knochen to death for the murder of a number of British parachute troops on or around 9 August 1944. However, on 16 September 1948, the sentence was commuted to life imprisonment, and further commuted in February 1950 to 21 years imprisonment. He was extradited to France in 1954 and sentenced to death. The sentence was later commuted to life imprisonment. After he obtained a presidential pardon in 1958, Knochen was released on November 28, 1962 by President Charles de Gaulle, simultaneously with his former chief SS General Carl Oberg. Back to Germany he retired to Baden-Baden and died a free man in 2003. Knochen himself appeared in the documentary film L'oeil de Vichy, (The Eyes of Vichy), directed by Claude Chabrol.