Ep 4. Coup de Grace

In the fourth episode of the tenth season of CSI Crime Scene Investigation, entitled "Coup de Grace," the team investigates a high-profile assassination attempt on a political candidate during a rally in Las Vegas. The candidate was shot in the head but survived the attack and is rushed to the hospital.

The team immediately begins processing the crime scene for evidence and trying to piece together what happened. They discover that the assassin was a professional hitman who used a high-powered rifle from a nearby rooftop to take the shot. They also find a piece of evidence that leads them to suspect that the shooter had an accomplice.

As the investigation progresses, it becomes clear that there are many people with potential motives for the assassination attempt. The candidate was known for his controversial views on immigration and had made many enemies in the community. The team also discovers that the candidate was involved in a secret affair with a local celebrity, which adds another layer of complexity to the case.

Meanwhile, Sara Sidle is dealing with personal issues of her own. She is still struggling with the aftermath of her abduction and is having difficulty readjusting to normal life. Her relationship with Grissom is also strained, and she finds herself questioning whether they should stay together.

As the team continues to work on the case, they begin to unravel a web of lies and deceit that goes far deeper than anyone could have imagined. The assassin's accomplice is revealed, and the team must race against time to prevent another attempt on the candidate's life.

In the end, the team is able to solve the case and bring the perpetrators to justice. The candidate survives the attack and goes on to win the election, but the experience has left a lasting impact on the team and on the community as a whole. "Coup de Grace" is a tense and emotional episode that showcases the team's skills in solving complex cases.