There is now "sufficient evidence for a realistic prospect of conviction" of PC Alex MacFarlane, a Crown Prosecution Service review concluded.
Lawyers studied footage appearing to show the officer say to a 21-year-old black man: "The problem with you is you will always be a n*****, yeah?".
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Muhiddin Mire cut the throat of a stranger at an east London tube station "in revenge for the fight against IS", a court heard.
Rory Geoghegan claimed the lack of support he received from the Met shows how frontline officers are being taken for granted.
A registered sex offender who admitted grooming a 14-year-old girl and then sexually assaulting her has been jailed for over four years.