The quarterback of a women's football team is found dead in the locker room with traces of lidocaine in her system.

The investigation of a stabbing takes a turn when the team discovers planted evidence at the crime scene.

When a reformed drug addict is found dead in an alley, the team learns he may have been the victim of a premeditated... Full summary

A frantic 911 call sends the CSIs to a vacant penthouse, where they unearth a nearly century-old corpse.

As the team races to save the Compass Killer's fourth victim, the sunrise presents a final surprise.

When the CSIs find a compass near a body that fell from the 59th Street Bridge, they realize it is the third victim of... Full summary

A tractor-trailer accident results in the discovery of an interstate trucking ring specializing in human cargo and... Full summary

When an executive from a software company bleeds to death on a Manhattan street, the CSIs delve into the messy world... Full summary

The CSIs turn their attention to a lengthy list of rival dancers when an unidentified shooting victim turns out to be... Full summary

DNA evidence contradicts the confession of a scorned woman who claimed to have brutally murdered her cheating husband.