|Original Airdate||May 14, 2009|
All In is the twenty-fourth episode of the ninth season of CSI: Crime Scene Investigation.
The CSIs investigate murders linked to rare poker chips from a bygone casino. Meanwhile, Ray is forced to use lethal means for the first time on the job.
| "This isn't enough evidence."|
This article is Trace Evidence. You can help the Crime Lab by investigating it further.
- Laurence Fishburne as Raymond Langston
- Marg Helgenberger as Catherine Willows
- George Eads as Nick Stokes
- Eric Szmanda as Greg Sanders
- Robert David Hall as Dr. Al Robbins
- Wallace Langham as David Hodges
- Lauren Lee Smith as Riley Adams
- Paul Guilfoyle as Jim Brass
- Final appearance of Riley Adams.
|CSI:Las Vegas Season Season 9|
|Template:Las Vegas Season Season 9 Links|