Season 9, Episode 19: "The Maid"

It's just a changed number.

See, it's not different, it's the same, just changed.

Look, I work for the phone company.

I've had a lot of experience with semantics.

So don't try to lure me into some maze of circular logic.

You know, I could have killed you and no one would have known.

I could have killed you, and no one would have known.