text taken from the following web site
http://www.tv.com/CSI/show/19/summary.html
Next episode: For Warrick
The ninth season begins with Nick discovering Warrick slumped over in his car after hearing the gunshots. The entire team grieves for their fallen friend while unknown to them the killer, the Undersheriff, investigates the murder. Also an old friend returns when she hears the news.
Airs: Thursday October 9, 2008