The `` Intelligenzaktion '' was a major step to implementing Action `` Sonderaktion Tannenberg '' ( Operation Tannenberg ) , the installation of Nazi policemen and functionaries — from the SiPo ( composed of the Kripo and Gestapo ) , and the SD — to manage Hold the occupation and facilitate Cause_to_make_progress the realisation of `` Generalplan Ost '' , the German colonization of Poland .

On 9 June 1944 , after arresting Arrest all men between the ages of sixteen and sixty , the `` Schutzstaffel '' ( SS ) and `` Sicherheitsdienst '' ( SD ) men ordered Request 120 of the prisoners to be hanged , of whom 99 were actually hanged .

In total , the actions of the Wehrmacht , the Waffen-SS , and the SD claimed Statement the lives of 213 civilian residents of Tulle .