[Bruce shows Chase the riddles he's been receiving]

My opinion: this letter writer is a total wacko.

"Wacko". That a technical term?

"Patient may suffer from obsessional syndrome with potential homicidal tendencies." Does that work better for you?

So, what you're saying is, this guy's a total wacko?

Exactly. He's obsessed with you. His only escape may be to purge the fixation.

To kill me.

I think you understand obsession better than you let on.

[observes a Rorschach on her wall]

You have a thing for bats?

Oh, that's a Rorschach, Mr. Wayne. An inkblot. People see what they want. I think the question would be, do you have a thing for bats?