She's passing nearby when she can smell the smoke from his joint. It has her coming to a complete stop, her expression bewildered as she looks around. Her senses are heightened, but Caroline is in denial.

Someone couldn't possibly be smoking on here...can they?

It's reason enough to investigate.

Which is why a few minutes later she peeks around the corners, finally finding the source of said smoke. Stepping out into the open a little more, her hands go to her hips and she doesn't know if she's judging him or somewhat relieved that even stoners can manage to get kidnapped by a space ship.

"Seriously?" She's going for a little of both. "Where did you even get that?"

No, she has no qualms about interrogating a stranger.