Protestors tend to an activist who was maced as violent demonstrations engulf Ferguson, Nov. 26, 2014, in Ferguson, Mo.

Missouri National Guard stand watch outside a Walgreens store, Nov. 26, 2014, in Ferguson, Mo.

Protesters vandalize a police vehicle outside of the Ferguson city hall, Nov. 25, 2014, in Ferguson, Mo.

Police stand guard as protests engulf Ferguson, Nov. 26, 2014, in Ferguson, Mo.

A damaged squad car sits nearby as police confront protesters after rioting broke out following the grand jury announcement in the Michael Brown case, Nov. 24, 2014 in Ferguson, Mo.

James Cartmill holds an American flag while protesting in Oakland, Calif., Nov. 24, 2014, after the announcement that a grand jury decided not to indict Ferguson police officer Darren Wilson in the fatal shooting of Michael Brown, an unarmed 18-year-old.

A protester poses for a "hands up" photo in front of a burning building on West Florissant Ave. in Ferguson, Mo., Nov. 24, 2104.

Sharon Otis, of Ferguson, Mo., helps clean up the On On Chop Suey restaurant, Nov. 25, 2014, in Ferguson, Mo., after it was damaged in overnight protests following a grand jury's decision not to indict a white police officer in the killing of unarmed black 18-year-old Michael Brown.

Darius Crenshaw and his sister Keona, both of Ferguson, Mo., take a selfie while standing in front of a burned down beauty salon from last night's riots, Nov. 25, 2014, in Ferguson, Mo.

Police officers look over the site of a building that was burned in riots the previous night in Ferguson, Mo., Nov. 25, 2014.

Cars which were set on fire when rioting erupted following the grand jury announcement in the Michael Brown case sit on a lot, Nov. 25, 2014 in Dellword Mo.

A Ferguson firefighter surveys damage to a strip mall that was set on fire when rioting erupted following the grand jury announcement in the Michael Brown case, Nov. 25, 2014 in Ferguson, Mo.

A Ferguson firefighter surveys damage at a strip mall that was set on fire when rioting erupted following the grand jury announcement in the Michael Brown case, Nov. 25, 2014, in Ferguson, Mo.

People watch as stores burn, Nov. 25, 2014, in Ferguson, Mo.

A car drives by a burning building during a demonstration, Nov. 25, 2014, in Ferguson, Mo.

Cars burn at a used car dealership, Nov. 25, 2014, in Dellwood, Mo.

Riot police run past a burning St. Louis County police car as hundreds of protesters gather after an announcement that Ferguson police officer Darren Wilson will not be indicted in the fatal shooting of unarmed teenager Michael Brown day, Nov. 24, 2014, in Ferguson, Mo.

A building burns after being set on fire during clashes between police and protesters over decision in the shooting death 18-year-old Michael Brown in Ferguson, Mo., Nov. 24, 2014.

Smoke fills the streets as a building burns in the background after the announcement of the grand jury decision, Nov. 24, 2014, in Ferguson, Mo.

Police officers in riot gear stand guard after the grand jury's decision to not indict Officer Darren Wilson was delivered, Nov. 24, 2014 in Ferguson, Mo.

Police deploy tear gas on protestors during a demonstration, Nov. 24, 2014 in Ferguson, Missouri. A St. Louis County grand jury has decided to not indict Ferguson police Officer Darren Wilson in the shooting of Michael Brown in Ferguson, Missouri in August.

People walk away from a storage facility on fire after the announcement of the grand jury decision, Nov. 24, 2014, in Ferguson, Mo.

A man steps out of a vandalized store after the announcement of the grand jury decision in Ferguson, Mo., Nov. 24, 2014.

Protestors run away after police deployed tear gas during a demonstration on Nov. 24, 2014 in Ferguson, Mo.

A protester walks out of a store with goods after the announcement of the grand jury decision on Nov. 24, 2014, in Ferguson, Mo.

A car burns on the street after a grand jury returned no indictment in the shooting of Michael Brown in Ferguson, Mo. on Nov. 24, 2014.

A protester stands in the street after being treated for what is reportedly tear gas exposure after a grand jury announcement in Ferguson, Missouri, Nov. 24, 2014.

Demonstrators flee as police reportedly fire tear gas during a demonstration on Nov. 24, 2014 in Ferguson, Mo.

St. Louis County police officers in riot gear stand guard in front of the Ferguson police department after a grand jury's decision was delivered on Nov. 24, 2014 in Ferguson, Mo.

A protester stands with his hands on his head as a cloud of what is reportedly tear gas approaches after a grand jury returned no indictment in the shooting of Michael Brown in Ferguson, Mo. on Nov. 24, 2014.

Police officers confront protesters after the announcement of the grand jury decision not to indict police officer Darren Wilson in the fatal shooting of Michael Brown on Nov. 24, 2014, in Ferguson, Mo.

A protester squirts lighter fluid on a police car as the car windows are shattered near the Ferguson Police Department after the announcement of the grand jury decision not to indict police officer Darren Wilson in the fatal shooting of Michael Brown, an unarmed black 18-year-old, Nov. 24, 2014, in Ferguson, Mo.

Lesley McSpadden, mother of Michael Brown, covers her face following news of the decision by the Grand Jury not to indict Officer Daren Wilson in the shooting death of her son, in Ferguson, Mo., Nov. 24, 2014.

Lesley McSpadden, mother of Michael Brown, is escorted away from in front of the Ferguson police department after a grand jury's decision was delivered in Ferguson, Mo., Nov. 24, 2014.

A woman approaches the barricade to confront the police outside the Ferguson Police Department in Ferguson, Mo. on Nov. 24, 2014.

Protesters listen to the announcement of the grand jury decision, Nov. 24, 2014, in Ferguson, Mo. A grand jury has decided not to indict Ferguson police officer Darren Wilson in the death of Michael Brown, the unarmed, black 18-year-old whose fatal shooting sparked sometimes violent protests.

Barbara Jones, joined by other protesters, raises her hands, Nov. 24, 2014, in Ferguson, Mo., more than three months after an unarmed 18-year-old man was shot and killed there by a policeman.

Missouri Gov. Jay Nixon arrives for a news conference at the University of Missouri - St. Louis in St. Louis, Mo., Nov. 24, 2014.

Protesters gather near a memorial in the middle of the street, Nov. 24, 2014, more than three months after a black 18-year-old man was shot and killed there by a white policeman in Ferguson, Mo.

A few protestors begin to assemble outside the Police Department in Ferguson in anticipation of the announcement of the Grand Jury decision in the shooting death of Michael Brown by police Officer Daren Wilson in Ferguson, Missouri, Nov. 24, 2014.

Youths walk past a mural depicting peace in Ferguson on a vacant building up the street from the city's police department, Nov. 23, 2014, in Ferguson, Mo.

Barricades line the exterior of the Buzz Westfall Justice Center where a grand jury is expected to convene Monday to consider possible charges against the police officer who fatally shot Michael Brown in nearby Ferguson in Clayton, Mo., Nov. 23, 2014.