It is beyond all of my common sense and reason how the narrative went from African Americans and others protesting the death of George Floyd to white supremacis

It is beyond all of my common sense and reason how the narrative went from African Americans and others protesting the death of George Floyd to white supremacists being behind them. Okay, so if it's white people looting and rioting, we can put an end to it right? No one's got anything to say against that if that's the case right?