Her hands weren't cold, when he'd inspected them, but compared to his they were unnaturally pale. To anyone who had an inkling that vampires or zombies could exist, Liv could have easily raised red flags. Working at a hospital would also give her access to blood or, in her case brains, or whatever else she needed.
It was really just a matter of narrowing it down some more.
When he mentioned being distracted, she looked back over at her shoulder at the dinosaurs. And then at the mutant cat thing.
"Are these like your pets?" she asked. Yep, she was okay here. Her tone and expression seemed to mirror concern. Was he okay?