CSI: Miami (2002)

S10E05 Killer Regrets

In Miami, a notorious assassin from Mexico becomes the focus of a deadly manhunt. To neutralize this lethal threat, Horatio finds himself reluctantly relying on the assistance of his greatest adversary. As tensions rise and dangerous alliances form, the stakes escalate, forcing Horatio to confront his past while navigating a treacherous game of cat and mouse.