The CSIs discover that two seemingly unrelated crimes are actually part of the same twisted revenge plot.

When a popular coach is found murdered in his home, an entire college football team is under suspicion.

When one policeman kills another, the CSIs must determine if the shooting was premeditated or an accident.

Two officemates plot to rob a casino, but their plan ends with the CSIs investigating a murder.

The team focuses its investigation on members of an upscale neighborhood when a porn producer and a drug dealer are... Full summary

Sara Sidle (Jorja Fox) returns to help the team investigate when a famous young actress dies as the result of a... Full summary

The ninth season concludes with the CSIs investigating murders linked to rare poker chips from a bygone casino. The... Full summary

An undercover cop who infiltrated a ruthless motorcycle gang is murdered at a biker bar after his identity is... Full summary

Four seemingly random deaths from undetermined causes lead the CSIs to search for a common link between them. The... Full summary

A convicted murderer (Henry Thomas), jailed for killing an elderly man in 1991, claims that his guilty verdict was... Full summary