[Kate stills under his touch, getting the idea real quick and somehow, somehow, she manages to speak.]

He... [She clears her throat.] He's right. We've got backup coming. [It's half bluff, half her hoping Castle had the foresight to call for some.] Even if you... If you kill us this place is gonna be swarming with cops in a couple minutes and believe me, this will be over for you real fast.

[There's a moment of silence and the pawn shop owner hesitates, turning his head to look out the window.]