When one of the CSI's biggest enemies is murdered, Horatio must determine which of his team members is a suspect.
Law & Disorder
Horatio uncovers a corruption scandal that pits him against an old adversary, and Calleigh makes a life-changing decision.
When a beloved tennis coach is nearly killed, Calleigh discovers a personal connection to the case.
Rest In Pieces
When the "Miami Taunter" kills again, Horatio comes face-to-face with the matriarch of the suspected killer's family, who may or may not help his investigation.
No Good Deed
When a neighborhood do-gooder is murdered, Horatio and the CSIs discover that he was planning to blow the whistle on something big.
The team steps in when multiple women are targeted during a murder spree at a Miami sorority.
The team investigates the murder of a skydiver with more than 100 children, all of them suspects.
An eccentric genius is assassinated with the most unique weapon the CSIs have ever seen.
The CSIs expose the seedy underbelly of children's beauty pageants when a contestant's mom is murdered.
When an entire family disappears into thin air, Horatio vows to find them, dead or alive.
A Few Dead Men
The CSIs investigate when three convicted murderers are released from prison and someone starts killing them one by one.
After discovering another corpse without eyes, Horatio suspects his nemesis is to blame.
Sinner Takes All
The team is baffled when a masked assassin kills a poker player during a high-stakes game.
By the Book
In a deserted mansion, the CSIs find a body hanging that appears to have been killed by a vampire.
Horatio protects a Mexican police chief from the mysterious assassin who killed her husband.
Evidence is damaged and Ryan and Walter are put in danger when a tornado tears through a murder scene.
The discovery of a strange murder weapon leads the CSIs into the world of gigolos.
Horatio and Natalia's lives hang in the balance.