One person may hold vital clues to several families’ decades-long quest to find the bodies of loved ones abducted, murdered and secretly buried by the IRA.

The search for one of the IRA’s so-called Disappeared victims has resumed in a vast bog near the Irish border.

Teams tracing the body of a man believed to have been shot and buried 30 years ago by the IRA appeared today to have found him only days after giving up the search.