Is OJ Innocent? The Missing Evidence

A team of investigators inspect a knife that could be the murder weapon in the O.J. Simpson case.

After examining evidence both old and new, the team questions O.J.'s role in the murder.

The team examines evidence collected by Dallas-based private investigator Bill Dear.

Experts raise questions about the validity of the potential person of interest's alibi.

The team asks Kato Kaelin and others whether O.J. could've acted alone in the murders.

The team reveals their final conclusions about what they believe really happened that night.