evidence: British media identified Stakeknife in 2003 as Belfast IRA veteran Freddie Scappaticci, who denied the allegations until his death last year. [...] Next month marks 26 years since the Good Friday Agreement largely ended a three-way conflict involving Irish republican and British loyalist militants and the U.K. security forces that left 3,600 people dead, some 50,000 wounded and thousands bereaved. [...] The report also called on the United Kingdom and the IRA to apologize to bereaved families.