"No!" He yelps it at the same moment Olivia does, recovering from his personal horror long enough to manage the word. He takes the geiger counter - gently, but firmly - and plucks it out of Walter's hands, setting it safely aside before he edges around the man to join Olivia at the other side of the room.

Yes, she said not to be alarmed if he did what he just did but - it's kind of hard not to be. "We were asleep. Agent Dunham had injured herself trying to cross over, and I'd been pretty badly burned pulling her out. We weren't- we didn't-"

He manages several more half-formed syllables before taking a deep breath and composing himself. He nods to the two others present, throwing a small salute and somehow managing to look serious despite the ridiculousness of his outfit and his own temporary speechlessness. "Agents."