UFF killer Stevie 'Top Gun' McKeag kills Sinn Fein member Peter Gallagher in west belfast,March 1993

As well as civilian Catholics, McKeag was also involved on attacks upon republicans. On 24 March 1993, Peter Gallagher, a 44 year old Sinn Féin member from Toomebridge, County Antrim was killed by McKeag when he arrived at his work at the Westlink Enterprise Centre, just off Distillery Street in West Belfast. Mr Gallagher was shot several times by a lone assassin which many now presume was McKeag.