She laughs, and it sounds genuine. Him showing a sense of humor would be a sign of bravado from some, but she's not reading it that way in this moment. This feels like a game of chess, more than her usual interrogation. She remembers when she had Arthur Edwards tied to a chair, his dull coldness combined with his certainty that he'd win in the end. That was a very different tone than this.

"You can buy me a beer when we're done here, if you cooperate." Tipping her hand a bit, offering the hope of him walking out a free man. "All we want is a little information."