The Einsatzgruppen had a high rate of soldiers going nuts to say the least. The commanders had wider powers to execute any.
Many Soldiers refused and were transferred. If you deserted as one post mentioned,you were shot.
There was one camp I found that was different. Belzec.
Belzec: Stepping Stone to Genocide - Chapter 6
Einsatzgruppen - Wikipedia, the free encyclopediaIn contrast to Reinhardt, Einsatzgruppen SS/Police units engaged in Jewish murder operations had the personal protection of Himmler when refusing to obey execution orders. This protection was without recourse to punishment or courts martial. No such luxury of courts martial was ever entertained in Belzec, as refusal to bow to Wirth's orders was not negotiable. The system of mass murder relied on the absolute fear of retribution by the camp commandants, particularly by Wirth, should they refuse. Josef Oberhauser recalls:
“Regarding Schluch (SS-Scharführer in Belzec), who Wirth had assigned to the shooting of unfit Jews (in the Lazarett), he said to me, face to face, 'I would have dearly liked to have shot him down in the grave!' Wirth made this remark, not for the reason that Schluch had not carried out an order or had completely refused (to obey it), but only that he had not shown sufficient vigor. This was Wirth. If anyone argued with him, he immediately went for his weapon. None of us were safe, not even me, a close colleague.”
HOLOCAUST: THOSE WHO DEFIED ORDERS TO KILL JEWS DID NOT DIE, RESEARCHER SAYS AT BYU. | Deseret News
Before a crowded lecture room, Kitterman discussed Hor-nig's story briefly, noting that while 50,000 death sentences were handed down by German Army officials for crimes as minor as stealing mail, no one was shot for refusing to kill innocent people.
However, officers such as Hornig were imprisoned, beaten, stripped of rank and prestige and threatened with death for their impertinence. Hornig, a staunch Catholic, actually ended up in a Jewish concentration camp with those he did not kill. Even after the liberation, he suffered at the hands of his fellow prisoners because they suspected him of being a German army spy - although he had hidden French Jews beneath his bed to save their lives.