A man holds a Black Lives Matter sign in front of the San Diego Police in downtown San Diego, California on May 31, 2020 as they protest the death of George Floyd. - Thousands of National Guard troops patrolled major US cities after five consecutive nights of protests over racism and police brutality that boiled over into arson and looting, sending shock waves through the country. The death Monday of an unarmed black man, George Floyd, at the hands of police in Minneapolis ignited this latest wave of outrage in the US over law enforcement's repeated use of lethal force against African Americans -- this one like others before captured on cellphone video. (Photo by ARIANA DREHSLER / AFP) (Photo by ARIANA DREHSLER/AFP via Getty Images)
