No joking on the forums pls.
This is all in good fun but I really don't want writers to try to turn Bats into the Punisher. I like it better when he tries to save lives whenever possible. Having said that here's one more:
I think it's in BATMAN SPECIAL #5 (Mike Barr's "Batman--The Avenger") where Batman suckered two rival factions into gunning down each other!
TUCO (Eli Wallach): "Whoever double-crosses me and leaves me alive--he understands nothing about Tuco!!"