Demonstrators gather in the aftermath of rioting following Monday's funeral for Freddie Gray, who died in police custody, on Tuesday, April 28, 2015, in Baltimore. (AP Photo/Evan Vucci)
A protester throws a tear gas canister back toward riot police after a 10 p.m. curfew went into effect in the wake of Monday's riots following the funeral for Freddie Gray. (AP Photo/David Goldman)
A man stands in front of a line of police officers in riot gear as part of a community effort to disperse the crowd ahead of a 10 p.m. curfew. (AP Photo/David Goldman)
Maryland National Guardsmen patrol near downtown businesses in Baltimore, Tuesday, April 28, 2015, a day after looting and arson erupted following the funeral of Freddie Gray. (AP Photo/Patrick Semansky)
Jason Park, left, and his friend business owner Sung Kang, right, leave his damaged store, Tuesday, April 28, 2015. (AP Photo/Matt Rourke)
Residents, reflected off broken glass, clean up after an evening of riots following the funeral of Freddie Gray on Tuesday, April 28, 2015, in Baltimore (AP Photo/Matt Rourke)
People gather Tuesday, April 28, 2015, in Baltimore, in the aftermath of rioting following Monday's funeral for Freddie Gray (AP Photo/Matt Rourke)
Volunteers clean a CVS pharmacy Tuesday, April 28, 2015, in Baltimore, in the aftermath of rioting following Monday's funeral for Freddie Gray (AP Photo/Matt Rourke)
A man on a bicycle greets Maryland State Troopers Tuesday, April 28, 2015, in the aftermath of rioting following Monday's funeral for Freddie Gray (AP Photo/Matt Rourke)
Firefighters battle a blaze, Monday, April 27, 2015, after rioters plunged part of Baltimore into chaos (AP Photo/Evan Vucci)
Firefighters battle a blaze, Monday, April 27, 2015, after rioters plunged part of Baltimore into chaos (AP Photo/Evan Vucci)
A boy throws a brick at police, Monday, April 27, 2015, during unrest following the funeral of Freddie Gray in Baltimore. (AP Photo/Patrick Semansky)
A demonstrator raises his fist as police stand in formation as a store burns, Monday, April 27, 2015, during unrest following the funeral of Freddie Gray in Baltimore. (AP Photo/Patrick Semansky)
A man walks past a burning police vehicle, Monday, April 27, 2015, during unrest following the funeral of Freddie Gray in Baltimore. (AP Photo/Patrick Semansky)
A police vehicle burns, Monday, April 27, 2015, during unrest following the funeral of Freddie Gray in Baltimore. (AP Photo/Patrick Semansky)
A man carries items from a store as police vehicles burn, Monday, April 27, 2015, after the funeral of Freddie Gray in Baltimore.
(AP Photo/Patrick Semansky)
A police car was vandalized during a protest in Baltimore on April 27, 2015. (KGO-TV)
A CVS was looted and then set on fire during a protest in Baltimore on April 27, 2015. (KGO-TV)
A CVS was looted and then set on fire during a protest in Baltimore on April 27, 2015. (KGO-TV)
A CVS was looted and then set on fire during a protest in Baltimore on April 27, 2015. (KGO-TV)
Demonstrators rallied in the streets of Baltimore on April 27, 2015. (KGO-TV)
Demonstrators rallied in the streets of Baltimore on April 27, 2015. (KGO-TV)
Protests erupted against police in Baltimore on Monday following the April 19 death of Freddie Gray. (WBAL)
Protests erupted against police in Baltimore on Monday following the April 19 death of Freddie Gray. (WBAL)
Protests erupted against police in Baltimore on Monday following the April 19 death of Freddie Gray. (WBAL)
Protests erupted against police in Baltimore on Monday following the April 19 death of Freddie Gray. (WBAL)
Protests erupted against police in Baltimore on Monday following the April 19 death of Freddie Gray. (WBAL)
Protests erupted against police in Baltimore on Monday following the April 19 death of Freddie Gray. (WBAL)
Protests erupted against police in Baltimore on Monday following the April 19 death of Freddie Gray. (WBAL)
Protests erupted against police in Baltimore on Monday following the April 19 death of Freddie Gray. (WBAL)
A cardboard box was set on fire in a street during a protest in Baltimore on April 27, 2015. (KGO-TV)
A police car was set on fire during a protest in Baltimore on April 27, 2015. (KGO-TV)
A police car was set on fire during a protest in Baltimore on April 27, 2015. (KGO-TV)
A police car was set on fire during a protest in Baltimore on April 27, 2015. (KGO-TV)
A CVS was looted during a protest in Baltimore on April 27, 2015. (KGO-TV)
A police car was set on fire and a CVS was looted during a protest in Baltimore on April 27, 2015. (KGO-TV)
A CVS was looted during a protest in Baltimore on April 27, 2015. (KGO-TV)
A check cashing business was vandalized during a protest in Baltimore on April 27, 2015. (KGO-TV)
Police form a line to block protesters in Baltimore on April 27, 2015. (KGO-TV)
Police form a line to block protesters in Baltimore on April 27, 2015. (KGO-TV)
Baltimore police officers push back demonstrators who are throwing rocks at the police, after the funeral of Freddie Gray, on Monday, April 27, 2015. (AP)
Baltimore police officers push back demonstrators who are throwing rocks at the police, after the funeral of Freddie Gray, Monday, April 27, 2015. (AP)
Baltimore police officers detain a demonstrator after clashes with police, after the funeral of Freddie Gray, on Monday, April 27, 2015. (AP)
Demonstrators throw rocks at the police after the funeral of Freddie Gray on Monday, April 27, 2015, at New Shiloh Baptist Church in Baltimore. (AP)
Baltimore police officers push back demonstrators who are throwing rocks at the police, after the funeral of Freddie Gray, Monday, April 27. (AP)
Demonstrators throw rocks at the police, after the funeral of Freddie Gray, on Monday, April 27, 2015. (AP)
Demonstrators throw rocks at the police, after the funeral of Freddie Gray, on Monday, April 27, 2015. (AP)
Baltimore police officer sprays pepper spry to demonstrators after the funeral of Freddie Gray, Monday, April 27, 2015. (AP)
A boy throws a brick at a police van, Monday, April 27, 2015, during a skirmish between demonstrators and police after the funeral of Freddie Gray in Baltimore. (AP)
Gloria Darden, mother of Freddie Gray, center, sits in front of Gray's casket at his burial, Monday, April 27, 2015. (AP)
The body of Freddie Gray lies inside his casket at Vaughn Greene Funeral Home, during his wake Sunday, April 26, 2015 in Baltimore. (AP)
A protestor, left, fights with a bar patron outside of a bar near Oriole Park at Camden Yards after a rally for Freddie Gray, Saturday, April 25, 2015. (AP)
Police attempt to block marchers as they block Pratt Street after a march to City Hall for Freddie Gray, Saturday, April 25, 2015. (AP)
Demonstrators protest in the streets as they march for Freddie Gray to Baltimore's City Hall, Saturday, April 25, 2015. (AP)
Police line a street in downtown Baltimore in response to protests that followed a rally for Freddie Gray, Saturday, April 25, 2015. (AP)