sentences:  On 14 March 1984, he severely wounded Sinn Féin president Gerry Adams in an attack supposedly ordered as a response to the earlier killings of Ulster Unionist Party politicians Robert Bradford and Edgar Graham.Gregg, at the time the head of the UDA terrorist group in Rathcoole, was in charge of a three-man hit team that pulled up alongside Adams' car near Belfast City Hall and opened fire injuring Adams and his three fellow passengers, who nonetheless escaped to seek treatment at the Royal Victoria Hospital, Belfast.Gregg and his team were apprehended almost immediately by a British Army patrol that opened fire on them before ramming their car.