"Atta boy," said Mattie drily. It occurred to her that her sarcasm wasn't at all helpful, and that she was actually just being kind of a dick. Then again, [i]this[/i] motherfucker here had effectively led her into a zombie-infested hole and nearly gotten her killed. Nearly gotten them both killed. She couldn't even believe that she was still helping him. 

She also couldn't believe that she was kind of about to hunt down a little girl and beat her senseless. 

[i]Only if she's infected. And then she won't be a little girl anymore.[/i] 

Still, the crowbar felt heavy in her grasp as she started with slow caution toward the back of the store.