Alton Sterling
FILE - In this June 3, 2020, file photo, a protester waves a city of Chicago flag emblazoned with the acronym BLM for Black Lives Matter, outside the Batavia, Ill., City Hall during a protest over the death of George Floyd. Black Lives Matter has gone mainstream — and black activists are carefully assessing how they should respond. (AP Photo/Nam Y. Huh, File)
Black Lives Matter goes mainstream after Floyd's death

By David Crary And Aaron Morrison Jun. 11, 2020 09:53 AM EDT