“significant missed opportunity” identified by Saunders concerned 2 pieces of #intelligence by #mi5 in months before the attack...on occasion MI5’s “corporate position” did not reflect how officers viewed this material & instead was more a “retrospective justification for the actions taken or not taken..agent should have raised concerns to colleagues straight away & written a report on same day but did not." #mi5notfitforpurpose
https://www.theguardian.com/uk-news/2023/mar/02/manchester-arena-attack-families-accuse-mi5-of-devastating-failure

https://www.mi5.gov.uk/news/director-general-statement-on-manchester-attack