Missing: The Unsolved Cases of Ireland's Vanished Women and Children

From 1950 to the present day, there have been almost 900 long-term missing people in Ireland. The equivalent of a vibrant village, all gone, vanished without a trace.Where did they go? Are they dead or still alive somewhere? How many have been murdered? How many killers have got away with their crimes?RTÉ journalist Barry Cummins has reported on th...