A protester yells at police in front of the Baton Rouge Police Department headquarters after police arrived in riot gear to clear protesters from the street in Baton Rouge, La., July 9, 2016. Several protesters were arrested. (Photo by Max Becherer/AP Photo)





A demonstrator with Black Lives Matter makes a sign before a protest at the Department of Justice in Washington, U.S., July 8, 2016. (Photo by Joshua Roberts/Reuters)





Demonstrators with Black Lives Matter march during a protest at the Department of Justice in Washington, U.S., July 8, 2016. (Photo by Joshua Roberts/Reuters)





A woman takes part in a protest against the killing of Alton Sterling, Philando Castile and in support of Black Lives Matter during a march along Manhattan's streets in New York July 8, 2016. (Photo by Eduardo Munoz/Reuters)





People walk over the names of people killed by police as they take part in a protest against the killing of Alton Sterling, Philando Castile and in support of Black Lives Matter during a march along Manhattan's streets in New York July 8, 2016. (Photo by Eduardo Munoz/Reuters)





People take part in a protest against the killing of Alton Sterling, Philando Castile and in support of Black Lives Matter during a march along Manhattan's streets in New York July 8, 2016. (Photo by Eduardo Munoz/Reuters)





NYPD officers keep an eye on protesters as they go through Times Square taking part in a protest against the killing of Alton Sterling, Philando Castile and in support of Black Lives Matter during a march along Manhattan's streets in New York July 8, 2016. (Photo by Eduardo Munoz/Reuters)





A police officer gestures during a demonstration that denounced the fatal shooting by police of two black men this week in the country, in Phoenix, Arizona, U.S. July 8, 2016. (Photo by Ricardo Arduengo/Reuters)





A protester is treated for exposure to pepper spray during a demonstration against fatal shootings by the police of two black men across the country, in Phoenix, Arizona, U.S. July 8, 2016. (Photo by Ricardo Arduengo/Reuters)





A protester shouts during a demonstration against fatal shootings by the police of two black men across the country, in Phoenix, Arizona, U.S. July 8, 2016. (Photo by Ricardo Arduengo/Reuters)





A demonstrator protesting the shooting death of Alton Sterling is detained by law enforcement near the headquarters of the Baton Rouge Police Department in Baton Rouge, Louisiana, U.S. July 9, 2016. (Photo by Jonathan Bachman/Reuters)





A man protesting the shooting death of Alton Sterling is detained by law enforcement near the headquarters of the Baton Rouge Police Department in Baton Rouge, Louisiana, U.S. July 9, 2016. (Photo by Jonathan Bachman/Reuters)





A woman is detained by law enforcement near the headquarters of the Baton Rouge Police Department in Baton Rouge, Louisiana, U.S. July 9, 2016. (Photo by Jonathan Bachman/Reuters)





Demonstrators protest the shooting death of Alton Sterling near the headquarters of the Baton Rouge Police Department in Baton Rouge, Louisiana, U.S. July 9, 2016. (Photo by Jonathan Bachman/Reuters)





Demonstrators protest the shooting death of Alton Sterling near the headquarters of the Baton Rouge Police Department in Baton Rouge, Louisiana, U.S. July 9, 2016. (Photo by Jonathan Bachman/Reuters)





A demonstrator protests the shooting death of Alton Sterling near the headquarters of the Baton Rouge Police Department in Baton Rouge, Louisiana, U.S. July 9, 2016. (Photo by Jonathan Bachman/Reuters)





Demonstrators protest the shooting death of Alton Sterling near the headquarters of the Baton Rouge Police Department in Baton Rouge, Louisiana, U.S. July 9, 2016. (Photo by Jonathan Bachman/Reuters)





A police officer is seen near the headquarters of the Baton Rouge Police Department in Baton Rouge, Louisiana, U.S. July 9, 2016. (Photo by Jonathan Bachman/Reuters)





Demonstrators protest the shooting death of Alton Sterling near the headquarters of the Baton Rouge Police Department in Baton Rouge, Louisiana, U.S. July 9, 2016. (Photo by Jonathan Bachman/Reuters)





A woman protests the shooting death of Alton Sterling near the headquarters of the Baton Rouge Police Department in Baton Rouge, Louisiana, U.S. July 9, 2016. (Photo by Jonathan Bachman/Reuters)





Demonstrators protest the shooting death of Alton Sterling near the headquarters of the Baton Rouge Police Department in Baton Rouge, Louisiana, U.S. July 9, 2016. (Photo by Jonathan Bachman/Reuters)





People take part in a protest against police brutality and in support of Black Lives Matter during a march in New York July 9, 2016. (Photo by Eduardo Munoz/Reuters)





Protesters react to others getting arrested (not pictured) during a march against police brutality in Manhattan, New York, U.S., July 9, 2016. (Photo by Bria Webb/Reuters)





Demonstrators protest the shooting death of Alton Sterling near the headquarters of the Baton Rouge Police Department in Baton Rouge, Louisiana, U.S. July 9, 2016. (Photo by Jonathan Bachman/Reuters)





Demonstrators gather after marching at the Louisiana Capitol to protest the shooting of Alton Sterling on July 9, 2016 in Baton Rouge, Louisiana. Alton Sterling was shot by a police officer in front of the Triple S Food Mart in Baton Rouge on July 5th, leading the Department of Justice to open a civil rights investigation. (Photo by Mark Wallheiser/Getty Images)





Stephanie McDee, who said she is a local blues singer, sings a song and protests at a makeshift memorial for Alton Sterling, outside a convenience store in Baton Rouge, La., Wednesday, July 6, 2016. Sterling was shot and killed by Baton Rouge police outside the store where he was selling CDs. (Photo by Gerald Herbert/AP Photo)





A man attempts to stop protesters from engaging with police in riot gear in front of the Baton Rouge Police Department headquarters after police attempted to clear the street in Baton Rouge, La., Saturday, July 9, 2016. Several protesters were arrested. (Photo by Max Becherer/AP Photo)





An officer releases pepper spray on demonstrators blocking I-94 near the Dale St. exit during a protest for Philando Castile in Falcon Heights, Minn. on Saturday July 09, 2016. Philando Castile was shot and killed after a traffic stop by police in Falcon Heights, Wednesday night. A video shot by Diamond Reynolds of the shooting went viral. (Photo by Jabin Botsford/The Washington Post)





Hundreds of people and members of the Black Lives Matter Movement rally and March through the Streets of Washington DC Washington, D.C. on July 10, 2016.
The mourn and express outrage over the law enforcement deaths of Alton Sterling and Philando Castile and others. (Photo by Marvin Joseph/The Washington Post)





Hundreds of people and members of the Black Lives Matter Movement rally and March through the Streets of Washington DC Washington, D.C. on July 10, 2016.
The mourn and express outrage over the law enforcement deaths of Alton Sterling and Philando Castile and others. (Photo by Marvin Joseph/The Washington Post)





Sirica Bolling raises her fist as she walks down Jefferson Avenue during a Black Lives Matter protest against police brutality in Newport News, Va., Sunday July 10, 2016. (Photo by Aileen Devlin/The Daily Press via AP Photo)





Police arrest activist DeRay McKesson during a protest along Airline Highway, a major road that passes in front of the Baton Rouge Police Department headquarters Saturday, July 9, 2016, in Baton Rouge, La. Protesters angry over the fatal shooting of Alton Sterling by two white Baton Rouge police officers rallied Saturday at the convenience store where he was shot, in front of the city's police department and at the state Capitol for another day of demonstrations. (Photo by Max Becherer/AP Photo)





Sheriff Deputies ride outside an armored vehicle on Airline Highway, a major road that passes in front of the Baton Rouge Police Department headquarters, as they attempt to clear protesters from the road in Baton Rouge, La., Saturday, July 9, 2016. People were protesting the shooting death of a black man, Alton Sterling, by two white police officers at a convenience store parking lot last week in Baton Rouge, La. (Photo by Max Becherer/AP Photo)