"Remember: Evil exists because good men don't kill the government officials committing it." -- Kurt Hofmann.
This is entirely the wrong question. Let's accept the premise, as those who live behind enemy in states like Connecticut are forced to every day. The salient question is instead: How many tyrannical politicians and rogue cops doing their bidding is it necessary to kill before the raids stop? My guess is, not very many.
The French have a saying, "pour encourager les autres." "To encourage the others." This is used ironically as in "The Colonel had to be shot in order to encourage the others." Exactly.