A Queen's Pardon

Two young men have received a Queen's Pardon, after spending years in prison for a crime they did not commit.Roger Cook discusses with a solicitor, a barrister and the accused the issues raised in last week's Inside Story. What are a citizen's rights in police custody? How do police conduct their interviews at police stations? Why do barristers sometimes advise a man who says he's innocent to plead guilty? What exactly is a Queen's Pardon, when one of the accused is still on the Criminal Register?