Irene White was stabbed 34 times in her kitchen in broad daylight 20 years ago - but one piece of the puzzle is still missing to solve in Ireland's 'most violent murder'
Irene White, 43, was murdered 20 years ago on April 6, 2005, at her home, known as Ice House in Dundalk, Co Louth, which is regarded as one of the most violent killings in Irish history.