The death of George Floyd unleashed months of civil unrest that spread through the US and across the world with such fury because protesters felt it "could've been us", one expert claims.
Two years ago today white police officer Derek Chauvin kneeled on the neck of Mr Floyd as he lay prone and restrained in handcuffs on a street corner.
As Chauvin dug his knee into the father's neck, he could be heard gasping "I can't breathe, I can't breathe" as he neared his final breaths.
