Matt McTighe

Maura meets a man in an unusual way; Jane has mixed emotions when someone from her past returns.

The CBI team investigates when the body of a female army medic who worked with soldiers suffering from PTSD is found near a military base.

Is a killer's life worth saving? When The Machine gives Reese and Finch the number of a mob enforcer whose life becomes endangered, they must decide whether to intervene or allow karma to balance the scales of justice. Meanwhile, Finch seeks aid from an unlikely source.

The most exclusive jewelry auction of the year comes to an abrupt end when one of the appraisers is killed, forcing the CSI team to confront one of the greatest tragedies in human history.

The team is forced to reconstruct damaged clues after a pipe bomb blows a Manhattan townhouse to pieces.

Calleigh's professional and personal life are in danger after someone attempts to murder her.