The primary weapon for armed forces should be Tranquilizer gun, so you can shoot first and ask questions when they wake up.

Humans have the capacity to be saintly and the capacity to be less and animals. So if a human is acting less than an animal, knock em out and rehabilitate with spiritual knowledge.

http://www.SrimadBhagavatam.org has many pastimes of saints, kings, warriors, teachers and any other position you could think of.