An illustration of George Floyd is affixed to the window of a vacant building Tuesday, May 26, 2020, near where he was detained by police officers in Minneapolis. Floyd died after being restrained by Minneapolis police officers on Memorial Day. A video taken by a bystander shows a Minneapolis police officer with his knee on the neck of a man in custody who later died. The four officers involved have been fired. (Evan Frost/Minnesota Public Radio via AP)

An illustration of George Floyd is affixed to the window of a vacant building Tuesday, May 26, 2020, near where he was detained by police officers in Minneapolis. Floyd died after being restrained by Minneapolis police officers on Memorial Day. A video taken by a bystander shows a Minneapolis police officer with his knee on the neck of a man in custody who later died. The four officers involved have been fired. (Evan Frost/Minnesota Public Radio via AP)

An illustration of George Floyd is affixed to the window of a vacant building Tuesday, May 26, 2020, near where he was detained by police officers in Minneapolis. Floyd died after being restrained by Minneapolis police officers on Memorial Day. A video taken by a bystander shows a Minneapolis police officer with his knee on the neck of a man in custody who later died. The four officers involved have been fired. (Evan Frost/Minnesota Public Radio via AP)