So she did have a firearm on her. Old by the style of it, likely 1800s if her story checked out. How he'd find out if it did he's unsure beyond investigating what she's brought with her further. Maybe an analysis of the material composition? Unless someone went through the trouble of making exact replicas, they may be a trace of the truth somewhere in there.

As for the knife, he frowns as he stares at it. She could do damage with that, but surrounded by stunners and plasma arcs she wouldn't get far. WIth some reluctance, he nods.

"Can you hide it?" he asks. "And if you would like new clothing, I can take you to the fabricator and have a set made."