Episode Info

The ninth season begins with poison gas being pumped into the CSI lab and one team member dying from the attack. The probe focuses on a bitter university professor who is suspected of killing some colleagues and wanted the case evidence to be destroyed.


David Caruso
as Horatio Caine
Emily Procter
as Calleigh Duquesne
Adam Rodriguez
as Eric Delko
Jonathan Togo
as Ryan Wolfe
Eddie Cibrian
as Jesse Cardoza
Rex Linn
as Det. Frank Tripp
Eva La Rue
as Natalia Boa Vista
Boti Ann Bliss
as Maxine Valera
Boti Bliss
as Maxine Valera
Omar Benson Miller
as Walter Simmons
Wes Ramsey
as Dave Benton
Christopher Redman
as Michael Travers
Kristen Hager
as Melissa Walls
Roger Bart
as Bob Starling
Alexandra Adi
as Nikki Vega
Channon Roe
as Keith Garwood
Melanie Laenani Lewis
as M.E. Assistant
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