THE stooped figure priming an IRA car bomb is instantly recognisable in the fading cine footage. For the young Provo warlord is Martin McGuinness, who years later shook the Queen’s hand as Northern Ireland’s Deputy First Minister and a man of peace. 7 Passers-by cower as the IRA car bomb explodes in Shipquay Street in Derry city centre in March 1972, injuring 26 Credit: Film images: BBC 7 Provo warlord Martin McGuinness, with his back to the camera, is seen in the documentary Credit: BBC 7 The makings of an IRA explosive shown in the film Credit: BBC And the...