Armando Valdez-Kennedy

When a female executive is shot at an afternoon concert, the evidence leads the CSIs to suspect that the dreaded Mala Noche gang has struck again. Now, as the team gathers evidence, they must try to find the connection between the upper class victim and Miami's most dangerous criminal gang. Meanwhile, Wolfe starts to catch on to Delko and Natalia's off-duty relationship.

After a young man confesses to murder and could fall victim to the county jail system, Horatio and the team must uncover the truth. Despite Tripp securing a written confession from Tobey Hollins, who admits to committing murder, the evidence tells Horatio that Tobey is innocent. As Horatio races to prove his innocence, Tobey waits for his arraignment in prison and ends up killing another inmate in alleged self-defense. Now, the pressure is on for the CSIs to find out the true culprit in both cases before the system swallows up Tobey for the rest of his life. (TV-PG)

A man is murdered while taking lessons from seasoned pros on how to score women in the competitive Miami night life. The CSIs, left only with a club full of likely suspects and a murder weapon wiped clean, must find the killer amongst the treacherous backdrop of Miami's sexual nightlife. Meanwhile, Eric's sister, Marisol, is arrested for buying a large amount of marijuana, and Horatio, learning that she bought the drugs to help her and her fellow cancer sufferers, must find a way to help her avoid jail time.

The team is stunned when Delko is busted for purchasing marijuana. However, as the truth as to why becomes clearer, Horatio must fight to keep Delko at CSI. Meanwhile, after a suspected drug lord is gunned down in his home, evidence leads the CSIs to a dirty bounty hunter whose greed may have gotten in the way of bringing a criminal to justice.

A woman is killed from what seems to be a terrible auto accident. However, further evidence reveals that she was killed after the accident and a dead body is found in the trunk of the car. Now, as the investigation seems to be a case of a jewelry heist gone awry, the victim's traumatized son and Natalia's hidden past may hold the key to discovering what really happened.