On this date, April 5, 1945, SS Colonel Karl-Otto Koch was executed by firing squad.
Karl-Otto Koch (German: [kɔχ]; August 2, 1897 – April 5, 1945), a Standartenführer (Colonel) in the German Schutzstaffel(SS), was the first commandant of the Nazi concentration camps at Buchenwald and Sachsenhausen. From September 1941 until August 1942 Koch also served as the first commandant of the Majdanek concentration camp in occupied Poland, stealing vast amounts of valuables and money from murdered Jews.