Forensic Files - Season 8 Episode 35 Grounds for Indictment No Witnesses. No Leads. No Problem.
Overview: A drive-by shooting leaves one man dead and another seriously wounded. Cell phone calls and shell casings point to a suspect, but authorities are unable to place him at the crime scene. When a forensic geologist compared soil from the crime scene with soil found in the wheel wells of the suspect's car, he proved that dirt is anything but dumb.