Jean Charles de Menezes was killed because he was misidentified as an active terror threat two weeks after the 7/7 London bombings. The officer who killed him was ordered not to allow him on the tube. Ironically, that order was given by Cressida Dick, who went on to set diversity targets that led to [1]. Quoting the Wikipedia summary:
> In January 2026, a Met Police review revealed that in an attempt to meet the diversity targets set by Dick, senior figures in the force had allowed recruitment standards to fall. More than 100 applicants who initially failed vetting procedures were later allowed to join after their cases were referred to a special panel set up to scrutinise rejected applications from ethnic minority candidates. Several of these went on to commit criminal offences or misconduct, including violence, sex attacks and drug use.