[Oh, good, he hadn't especially wanted this to turn into a spat, so Aziraphale smirking at him just makes Crowley grin wider.]

By you or the copper?

[They're two very different things, after all, not that he gives Aziraphale any time to answer before continuing:]

Wasn't much interesting, anyway. All the doors were locked and I left my lockpicking kit at home.

[He doesn't know how to pick locks.]