D.B. Russell
When a bomber strikes in a hotel, the team investigates. Catherine returns because the casino is her family's. And evidence found at the scene leads them to suspect Lady Heather, and when she can't be found, Grissom is asked to come to Vegas to help. He arrives and clearly things between him and Sara are a little tense. And everyone is sure Heather is involved but Grissom... imdb.com