Józef Andrzej Szeryński (born Josef Szynkman, 8 November 1893 or 1892 – 24 January 1943) was a police-colonel in interwar Poland, inspector for the Lublin district and later – in German-occupied Poland during the Second World War – the commander of the Jewish Ghetto Police in the Warsaw Ghetto. Szeryński was viewed as a collaborator and traitor by the Jewish underground in the Warsaw Ghetto. The Chairman of the Warsaw Ghetto's Jewish Council Adam Czerniaków selected Szeryński to create the Jewish Ghetto Police in 1940. Szeryński was arrested by the German Gestapo on May 1, 1942, for smuggling furs out of the Warsaw Ghetto for personal gain. He was released on the condition of leading the deportation action to Treblinka extermination camp in July 1942. The very next month Jewish underground