A plane blown from the sky, 52 victims, four suspects - one investigation. Season 2 of Uncover investigates one of the largest unsolved mass murders on Canadian soil. Subscribe to Uncover: Bomb on Board now.
Trevor Brown speaks for the first time with the man who was accused of murdering his sister.
Patrick Sumner was arrested and charged with Kerrie's murder, but discharged after a preliminary hearing. He has never spoken to the media to give his side of the story. Until now.
David tracks down the civilian phone operator who says she received a suspicious phone call the night Kerrie disappeared.