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)

FILE - In this June 5, 2020, file photo, Shawna Ventimiglia from Manhattan Beach holds a sign in support of a local group of surfers during a traditional paddle out ceremony in Hermosa Beach in support of Black Lives Matter over the death of George Floyd in Los Angeles. Black Lives Matter has gone mainstream — and black activists are carefully assessing how they should respond. (AP Photo/Richard Vogel, File)

FILE - In this July 17, 2013, photo, a protester picks up signs during a demonstration in reaction to the acquittal of neighborhood watch volunteer George Zimmerman in Beverly Hills, Calif. The Black Lives Matter movement emerged amid anger over the acquittal of Zimmerman, the Florida man who shot and killed 17-year-old Trayvon Martin in 2012 after Zimmerman assumed the black teen was a potential burglar. (AP Photo/Jae C. Hong, File)

FILE - In this May 2, 2015, file photo, protesters march through Baltimore the day after charges were announced against the police officers involved in Freddie Gray's death. Black Lives Matter has gone mainstream — and black activists are carefully assessing how they should respond. Today, the movement boasts a following of millions across social media platforms. (AP Photo/Patrick Semansky, File)

FILE - In this June 6, 2020, file photo, a protester looks up at a sign that reads "Black Lives Matter" in Marseille, southern France, during a protest against the recent death of George Floyd. Black Lives Matter has gone mainstream — and black activists are carefully assessing how they should respond. (AP Photo/Daniel Cole, File)

FILE - In this July 14, 2013, file photo, marchers raise their fists as they sit down in New York's Times Square, for a protest against the acquittal of volunteer neighborhood watch member George Zimmerman in the 2012 killing of 17-year-old Trayvon Martin in Sanford, Fla. The Black Lives Matter movement emerged amid anger over the acquittal of Zimmerman. (AP Photo/Craig Ruttle)

FILE - In this June 8, 2020, file photo, the White House is visible behind a woman who holds her fist up as she poses for a photograph with a large banner that reads Black Lives Matter hanging on a security fence in Washington, after days of protests over the death of George Floyd. (AP Photo/Andrew Harnik, File)

FILE - In this Dec. 2, 2014, file photo, Penn State student Zaniya Joe wears a piece of tape over her mouth that says Black Lives Matter, as a group of Penn State University students protest in University Park, Pa., following events in Ferguson, Mo. Nationally, the phrase Black Lives Matter was praised for its clarity and attacked as strident and offensive to police. But support grew as the list of slain black people got longer: Michael Brown, Eric Garner, Walter Scott, Alton Sterling, Philando Castile. (Nabil K. Mark/Centre Daily Times via AP, File)

FILE - In this June 6, 2020, file photo, demonstrators protest near the White House in Washington, over the death of George Floyd, a black man who was in police custody in Minneapolis. Floyd died after being restrained by Minneapolis police officers. Black Lives Matter Plaza turns up in driving directions offered by Google Maps. (AP Photo/Alex Brandon, File)

FILE - In this June 7, 2020, file photo, a protester holds a placard in front of the U.S. embassy, during the Black Lives Matter protest rally in London, in response to the recent killing of George Floyd by police officers in Minneapolis, that has led to protests in many countries and across the U.S. Black Lives Matter has gone mainstream — and black activists are carefully assessing how they should respond. (AP Photo/Frank Augstein, File)

FILE - In this June 2, 2020, file photo, people observe social distancing as they take part in a demonstration in The Hague, Netherlands, to protest against the recent killing of George Floyd, police violence and institutionalized racism. Floyd, a black man, died in police custody in Minneapolis, after being restrained by police officers on Memorial Day. (AP Photo/Peter Dejong, File)

FILE - In this June 6, 2020, file photo, a man walks past a "Black Lives Matter" mural painted on the boarded-up Apple Store, in Boston. Black Lives Matter has gone mainstream — and black activists are carefully assessing how they should respond. (AP Photo/Michael Dwyer, File)

FILE - In this June 7, 2020, file photo, people walk on the words Black Lives Matter that was painted in bright yellow letters on 16th Street as demonstrators protest, near the White House in Washington, over the death of George Floyd, a black man who was in police custody in Minneapolis. The mayor of Washington ordered the words painted in large letters on a street near the White House. (AP Photo/Maya Alleruzzo, File)

FILE - In this May 28, 2015, file photo, a graduate student of Harvard Law School displays the message "Black Lives Matter" on his mortar board during Harvard University commencement exercises in Cambridge, Mass. Black Lives Matter has gone mainstream — and black activists are carefully assessing how they should respond. (AP Photo/Steven Senne, File)

FILE - In this June 6, 2020, file photo, protesters gather at Town Hall in Sydney, to support the cause of U.S. protests over the death of George Floyd. Black Lives Matter has gone mainstream — and black activists are carefully assessing how they should respond. (AP Photo/Rick Rycroft, File)