KATYN 1940 Massacre Please add profiles of people (Polish officers and others) who were murdered in Katyn area (including i.e. Charkow, Miednoje, Kalinin, Kijów, Ostashkiv) in the spring of 1940. The Katyn massacre, also known as the Katyn Forest massacre, was a mass execution of Polish nationals carried out by the People's Commissariat for Internal Affairs (NKVD), the Soviet secret police...