"Yeah, I'm Warrick Brown." He smiles, friendly enough, but his eyes are assessing.

"It's kind of a funny thing--Sara originally came here to investigate me. I hated her for that, and for the fact that Grissom asked her to stay. Add in that she was so damned good at the job and I didn't think I'd ever be able to work with her."

Here he pauses, studying Mark again. "I've never been so glad to be wrong about someone."