sentences:  In 1974 Coyle was acquitted of the attempted murder of a Garda officer during the re-arrest of Kevin Mallon in Portlaoise (Mallon had been one of three IRA prisoners airlifted to safety in the 1973 Mountjoy Prison helicopter escape).On 3 October 1975 Coyle and another IRA member, Eddie Gallagher, kidnapped industrialist Tiede Herrema near his home in Castletroy, a suburb of Limerick.They were traced to a house in Monasterevin, County Kildare, and a two-week siege began.