 Although Campbell's widow picked Jackson out as the killer at an identity parade, murder charges were dropped against him at the Belfast Magistrates' Court on 4 January 1974.Former Royal Ulster Constabulary (RUC) Special Patrol Group officer John Weir stated in his affidavit that Somerville was part of the UVF team that exploded a no-warning car bomb in Monaghan on 17 May 1974.The blast killed a total of seven people.