A boarded up store let's looters know there is nothing left inside after a night of riots following protests against the death of George Floyd in the Merlose area of Los Angeles on May 31, 2020. - 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. LEHTIKUVA / AFP Javier Tovar