One ordinary day almost a decade ago, John Beckenridge abducted his stepson, Mike, from school and vanished.Police investigated for four years, but with no proof of what happened, asked a court to make sense of the crime.That court heard dozens of hours of evidence, and tried to determine how a marriage breakdown became a manhunt and then a mystery.As well as a kidnapping, the story includes cryptic phone messages, a car plunging from an 80-metre cliff and allegations of secret bank accounts, criminal accomplices and illegal border crossings.We'll take you inside the courtroom as two opposing...