Rough Justice: The Case of the Thin-Bladed Knife TV -
His crime: murder. His name: Michael McDonagh. McDonagh was convicted in 1973 of stabbing his brother Francis to death. Francis died of a wound from a thin-bladed knife. That knife was apparently never seen nor found. But we have now uncovered new evidence that the knife was seen on the night of the murder, and more importantly, in the hands of a man who subsequently confessed to two people that he had killed Francis. Yet Michael McDonagh and his son Patrick are still serving life sentences for murder. Rough Justice: ‘The Case of the Thin-Bladed Knife’, Michael & Patrick McDonagh, BBC 1982
Michael, Rose and Patrick all say that they saw another tenant at the rooming house, a coloured man, standing in the hallway with a knife. ibid.
A chorus of doubt which the case now attracted. ibid.