Americans on Sunday marked five years since George Floyd was killed by a U.S. police officer, as President Donald Trump backtracks on reforms designed to tackle racism. Floyd's deadly arrest on May 25, 2020 helped launch the Black Lives Matter movement into a powerful force that sought to resolve America's deeply rooted racial issues, from police violence to systemic inequality. But since Trump's return to power in January – he was serving his first term when Floyd died – his administration has axed civil rights investigations and cracked down on diversity hiring initiatives. CGTN correspondent Dan Williams has more from Minneapolis, U.S.