Military members who worked with him also said the man is a war criminal and they hated working with him (not to lessen the fact that the people here are criminals themselves, just to repeat that war criminals thought this guy was pretty bad).

Reminds me of the thing where CIA agents were complaining that SEAL Team 6 were terrifying serial killer monsters whose unchecked bloodlust was an active hindrance on the ground because they would just execute everyone they got their hands on. The murderous torture freaks were put off by the sheer self-sabotaging murder lust of their spec ops goons.