This is certainly true. I know Godwin's law, but there are some good books and stories (not sure if translated to English), of the children of SS officers, conc

This is certainly true. I know Godwin's law, but there are some good books and stories (not sure if translated to English), of the children of SS officers, concentration camp guards etc.. They started asking questions of their parents when they got older (or sometimes only after their father died) and found out that the loving and caring father had been a monster at some point.