Is O.J. Innocent? The Missing Evidence

Forensic psychologist Dr. Kris Mohandie, police Sgt. Derrick Levasseur and private investigator William C. Dear reexamine the slayings of Nicole Brown Simpson and Ronald Goldman; Martin Sheen narrates.

The team questions O.J. Simpson's role in the murders after reexamining the evidence; forensics expert Dr. Henry Lee discusses the problems with the collection of evidence at the crime scene and what impact it may have had on the trial.

After collecting evidence for 21 years in the slayings of Nicole Brown Simpson and Ronald Goldman, private investigator Bill Dear introduces his theory about an individual with a checkered past to the team, calling him a "person of interest."

Evaluating Bill Dear's "person of interest," the investigators raise questions about the man's alibi for the night of June 12, 1994, then they study his bizarre behavior after the murders and look closely at his present-day life.

The team asks Kato Kaelin and other participants in O.J. Simpson's trial for their opinions about the murders; a possible eyewitness comes forward with a shocking revelation that could blow the investigation wide open.

DNA results come in, and the purported eyewitness takes a polygraph test; the team sits down with Fred Goldman and Tanya Brown; Dr. Kris Mohandie and Sgt. Derrick Levasseur reveal their final conclusions about what they believe really happened.