S4·E18 Bad to the Bone

Episode recap

In the eighteenth episode of the fourth season of CSI: Crime Scene Investigation, titled Bad to the Bone, the Las Vegas team of forensic investigators is tasked with resolving a complex series of interconnected criminal events. The investigation begins following a violent murder that occurs within a casino parking garage. As the team processes the scene and gathers evidence, their work expands to include a separate, ongoing situation taking place within a police interview room.

The scope of the investigation broadens as the forensic experts uncover a series of shocking discoveries. These findings link the initial crime to the disappearance of a woman, the discovery of a long-dead body, and the case of a missing child. Throughout the episode, the team utilizes their specialized training to examine the evidence meticulously. By scouring the crime scenes and analyzing the data collected from both the parking garage and the police department, the investigators work to piece together the sequence of events. The narrative follows the team as they navigate these overlapping cases, moving from one revelation to the next in their effort to determine the truth behind the disappearances and the homicides. The episode highlights the procedural nature of the forensic experts as they apply scientific methods to solve the criminal cases presented to them. As the investigation progresses, the team must reconcile the evidence found at the various locations to understand how the missing persons and the deceased individuals are connected. The episode concludes as the investigators continue to apply their expertise to resolve the mysteries surrounding these events.