The murder of Jean McConville was one of the most notorious incidents of the Northern Ireland Troubles.
The 37-year-old mother of 10 was abducted by a gang at her home in Belfast in December 1972 after being accused of passing informationto the British Army.
She became known as one of the 'Disappeared' - a group of people who were killed and buried in secret graves.
In 2003, her remains were found on Shelling Hill beach, Co Louth.
More top news
Four British rowers who became stranded in the Atlantic Ocean after their boat capsized and they lost their oars have been rescued.
The £15 'liquid biopsy' looks for fragments of genetic material in a tiny drop of saliva.
Figures from the latest ComRes poll shows 58 percent believe David Cameron will not get a good deal for Britain.