"I-15 Murders" is the 11th episode of the first season of CSI: Crime Scene Investigation . It originally aired on January 12, 2001. 🔎 Episode Overview

The episode highlights the use of graphology (handwriting analysis) and the importance of cross-jurisdictional cooperation as the murders span across different areas. 🧬 Notable Forensic Techniques

This episode reinforces Grissom's dedication to "following the evidence" even when the scale of the crimes begins to feel overwhelming.