Two investigations have been held by the British Government. The Widgery Tribunal, held in the immediate aftermath of the event, largely cleared the soldiers and British authorities of blame—Widgery described the soldiers' shooting as "bordering on the reckless"—but was criticised as a "whitewash",[7][8][9] including by Jonathan Powell, chief of staff to former prime minister Tony Blair.[10] The Saville Inquiry, chaired by Lord Saville of Newdigate, was established in 1998 to reinvesigate the events. Following a twelve-year inquiry, Saville's report was made public on 15 June 2010, and contained findings of fault that could re-open the controversy, and potentially lead to criminal investigations for some soldiers involved in the killings.[11] The report found that all of those shot were unarmed, and that the killings were "unjustified and unjustifiable." On the publication of the Saville report the British prime minister, David Cameron, made a formal apology on behalf of the United Kingdom.
The Provisional Irish Republican Army's (IRA) campaign against the partition of Ireland had begun in the two years prior to Bloody Sunday, but public perceptions of the day boosted the status of, and recruitment into, the