11 June 1942 | After morning roll call, more than 100 prisoners of the penal company marked with a black dot and several marked with a red dot are taken to work at the "Königsgraben" (royal ditch) pit.
About 320 prisoners marked with a red dot have to stand with bent knees and outstretched arms in the courtyard of the penal company. At 10 a.m. the manager of the camp Hans Aumeier entered with a few SS men and he ordered them to point out the instigators of the revolt and escape from the penal company on the previous day. Receiving no answer, Aumeier personally shot 17 prisoners and SS-Hauptscharführer Franz Hössler shot three more prisoners.
In the afternoon, a few more prisoners with a red dot were brought from the prisoners' infirmary in Birkenau and put with the others. They had to undress and take off their shoes. Their hands were tied behind their backs with barbed wire. After the SS guards arrived, the group of about 320 prisoners were taken to Bunker 1 and killed with gas.
(in the picture: the site of the Bunker 1, the first makeshift gas chambers in Birkenau)
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