One of the most senior IRA double agents is to be investigated for his involvement in the murder of as many as 24 people.
The public prosecutions service said on Wednesday they would open an inquiry into crimes committed by Stakeknife, named by the BBC as Fred Scappaticci in 2003.
Freddie Scappaticci, 68, originally from West Belfast, has consistently denied claims that he was the spy.
Barra McGrory QC, Northern Ireland's director of public prosecutions, ordered the chief constable to reopen investigations into the murders – opening up the possibility the man alleged to be Britain’s key informer could be questioned about his covert career in open court.
Information received by the army, MI5 and the Royal Ulster Constabulary's Special Branch (RUC) will also be examined.