Because of their intimate knowledge of the process of Nazi mass murder , the `` Sonderkommando '' were considered `` Geheimnisträger '' -- bearers of secrets -- and as such , they were kept in isolation from other camp inmates , except for those about to enter the gas chambers .
Because of their knowledge of the process of Nazi mass murder , Sonderkommandos ' were considered `` Geheimnisträger '' ( bearers of secrets ) and they were kept isolated from other inmates in the camp , except for those about to enter the gas chambers .