Is Olympic star Oscar Pistorius a cold-blooded killer, or was the shooting death of his model girlfriend Reeva Steenkamp in the middle of the night an accident? With the sprinter's fate resting in the hands of a South African court, 48 HOURS examines the emotional drama at the heart of the case.

Now facing a third murder trial for Michele's death, Harris sits for his first-ever television interview and talks with 48 HOURS' Erin Moriarty in "The Trials of Cal Harris".

After 25 years, has the Alachua County Sheriff's Office solved one of Florida's biggest mysteries - what happened to Tiffany Sessions? Tracy Smith and 48 HOURS investigate the disappearance of the college student and the search for Sessions.

Identical twin brothers are suspected of committing a murder after studying a crime show on TV.