Marshal is no doctor, but he's seen enough workplace injuries to be able to stitch together the gash on Emmett's back using the needle and thread found in the first aid kit.
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3 LP restored. Catseye, you roll d10 plus your First Aid skill and your Intelligence. It's always a skill plus an attribute, and sometimes just an attribute.
Yeah, I have no problem that your character infers that they are zombies, it's a pretty likely conclusion, I just wanted to warn you that no one had actually called them the living dead or zombies. Not officially.
Also, so Emmett handed the handgun to Nathan? Okay. And its a .38, not a .45.