I'll say this for Moody, though, he never killed if he could help it. Always brought people in alive where possible. He was tough, but he never descended to the level of the Death Eaters.
He was able to cover his hands with lure Special bait that rats couldn't resist that he used to catch the rats live and by hand and stuff them one at a time into a bag or into a cage.
Is there someone in the comms room who should- Well, no ma'am, no people here, just some ideals, like truth, and justice, and liberty, and you'll never take me alive!
Some of them would be recognised, they'd scream, they'd plead for their life, they'd tell the English how much money they'd be worth if they were captured alive.