Former Rhode Island police Sgt. Derrick Levasseur and forensic psychologist Kris Mohandie answer the pleas of desperate families and investigate murder cases that have officially gone cold.

After examining evidence both old and new, the team questions O.J.’s role in the crimes. Was he involved in these murders…or was another person was responsible? Dr. Henry Lee, a forensics expert from the original investigation, discusses the confounding details and problems with the preliminary evidence collection from the crime scene, and what impact that may have had on the trial.