[Harry's seen his share of teenage delinquency, and yeah, Heather kind of fits the bill, but the fact remains that she was helpful to him on his very first day, so he's not going to pass that kind of judgment based on appearances alone.

That is not what sheriffs do. Ahem.]

Close — I'm not with the FBI. Starting to think I'm the only one in this house who isn't, actually.

[He's serious.]

I'm local law enforcement. Sheriff of Twin Peaks.

[...and wow, okay, that bird has got some beak on her. Harry's half tempted to cover Clara's ears, lest she pick up another word.

As if on cue, she again says, "Butts!" So Harry decides now would be a good time to pick her up, place her on his lap, and give Wren a good, hard look.]

I didn't know crows could mimic like that.