Records show that much of the "work" of the Holocaust was put to Lithuanian, Ukrainian, and Trawniki auxilaries while OrdPo would form a perimeter and turn their backs to whatever was going on -- after a few trial runs of mass murder, Himmler's 2nd man (can't recall his name) decided that the emotional trauma was causing the OrdPo to be too ineffectual for what Himmler had planned. He also determined that large quantities of alcohol should be issued before and after "Jewish actions," which caused numerous incidents of friendly fire. At Slutka, a unit of Lithuanian auxiliaries wholesale opened fire on German army troops interfering with a roud-up.
Himmler’s 2nd man (can’t recall his name)
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Reinhard Heydrich.