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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"Three were standing together almost shoulder-to-shoulder in like a little wolf pack and they're staring at me...", said PC Wayne Marques.
Her nails had curled around three times before embedding in her pads.
The death toll from the Grenfell Tower fire is currently believed to be around 80 people, the vast majority of whom were from just 23 flats.