Flossenbürg concentration camp German resistance who had conspired to assassinate Hitler and who were executed on 9 April 1945. Since 2016, a digital book of the dead is available online and contains the names of more than 21,000 known prisoners who perished in the concentration camp Flossenbürg concentration camp Flossenbürg concentration camp () was a Nazi concentration camp built in May 1938 by the SS Main Economic and Administrative Office at Flossenbürg, in the Upper Palatinate region of Bavaria, Germany, near the border with Czechoslovakia. Until its liberation in April 1945, 89,964 prisoners passed through the camp, around 30,000 of whom died there.
Theresienstadt concentration camp and the Red Cross pleas to intervene in favor of concentration camp prisoners, but it was hesitant to accept Nazi invitations to visit concentration camps. Carl Jacob Burckhardt, an ICRC official who made most of the key decisions regarding Nazi Germany, stated in a September 1935 meeting that it was "dangerous to occupy oneself" with the concentration camps; he was certain that such visits would be exploited by the Nazis for propaganda purposes. Burckhardt did eventually visit Dachau concentration camp; his main complaint was that political prisoners and criminals were not kept separate. The ICRC considered its primary focus to be prisoners of war