I didn't know you didn't kill when I decapitated the Spook. Mother said-- [And the light bulb goes off. Now he's just annoyed at himself for falling into his mother's trap than anything.]

The Joker's different. He can't be saved, Drake. He's a monster, clear and simple. I wasn't going after Catwoman, Two-Face, or even that new Black Mask running around. This is the Joker we're talking about here. He will break out of Arkham again, and he will kill again. Like I said to Todd, if you cut out his tongue he'll just find out another way to communicate. You have to take out his brain to take out the threat. He'll still be alive. Your precious rules will still be in place. Someone will just have to mop up his drool at the end of the day, and he can never hurt anyone ever again.