There is no morally compelling reason to distinguish a doctor from a tank driver on the battlefield except for the fact that both sides agree to protect medical personnel.
The authors address the medical ethics question of whether autopsy is necessary from Cartesian and sociocultural perspectives and how to obtain consent.
AMA J Ethics. 2016;18(8):771-778. doi:
10.1001/journalofethics.2016.18.8.ecas2-1608.
Asking for forgiveness may be oppressive to a patient or family still grappling with the fact of the harm, the impact of the harm, and their own emotional response to the harm.