A man named Franz Rademacher submitted what is likely the most notorious travel expense claim in world history. Rademacher, a division head in the German foreign ministry during World War II, traveled to Belgrade in October 1941 at the request of the local foreign ministry representative who was asking for the city’s Jews to be deported. Rademacher wanted to see whether the so-called problem “could be resolved on site.” With both the SS and the Wehrmacht pushing to kill Jews, all sides quickly reached an agreement to shoot 1,300 Jewish residents. Upon his return, Rademacher filed a travel expense claim citing the reason for his trip as: “Liquidation of Jews in Belgrade.