CSI: Miami: Season 4, Episode 4 - 48 Hours To Life (2005)

Calleigh Duquesne contributes significantly to solving the case by utilizing her ballistics expertise. She analyzes the bullet found at the crime scene and connects it to a gun that leads them to a suspect, showcasing her determination and skill as a forensic investigator.

Throughout the investigation, the characters face emotional challenges, particularly as they learn more about Kelly's life and the circumstances leading to her death. Horatio grapples with the weight of the case, feeling a deep sense of responsibility to bring justice, while other team members reflect on their own vulnerabilities and the impact of violence on victims and their families.

Horatio Caine's leadership style is characterized by his calm demeanor and strong moral compass. Throughout the investigation, he remains focused on finding justice for Kelly, often pushing his team to think critically and empathetically about the victim's life and circumstances.

In '48 Hours To Life', the CSI team investigates the murder of a young woman named Kelly, who is found dead in a hotel room. The case becomes urgent as they discover that she was involved in a dangerous situation that could lead to more violence.

Eric Delko plays a crucial role in the investigation as he works closely with the forensic evidence. His expertise helps uncover key details about the crime scene, including the presence of a mysterious substance that leads them to a potential suspect.