Unusual Suspects

Blood in the Water (6x9)

Air date: Mar 16, 2014

The evidence at the crime scene suggests that 15-year-old Nanine Grimes fought bravely as her attacker stabbed her to death. Her desperate struggle provides Thorton, CO police with a sample of the killer's blood. But the limits of 1980s forensic science leaves detectives struggling to determine who would want Nanine dead?