From the uprisings to calls for a plan, tracking the year in Baltimore

Demonstrators chant, 'No justice, no peace' outside the Mitchell Courthouse-West after Baltimore Police Officer Edward Nero was found not guilty on all charges against him related to the arrest and death of Freddie Gray May 23, 2016 in Baltimore.

Baltimore City Sheriff's Deputies clear a path for Baltimore Police Officer Edward Nero's family members as demonstrators and members of the news media crowd around outside the Mitchell Courthouse.

Baltimore City Sheriff's Deputies push photographers back as Baltimore Police Officer Edward Nero's family members leave the Mitchell Courthouse-West after Nero was found not guilty on all charges against him related to the arrest and death of Freddie Gray May 23, 2016.

Baltimore police officers carry a fellow officer, injured during protests, from the streets near Mondawmin Mall on April 27, 2015. Violent clashes erupted after friends and family members gathered for the funeral of Freddie Gray, a 25-year-old black man whose death in custody triggered a fresh wave of protests over U.S. police tactics. Police said at least seven officers were injured. One of them was unresponsive.

A youth covers his eyes on April 27, 2015 after being exposed to pepper spray by police during protests over the death of Gray.

A man's eyes are cleaned after he is pepper sprayed by Baltimore police at the corner of Pennsylvania and North avenues during an April 27, 2015, protest.

Devante Hill makes a heart with his hands after he was hit with pepper spray during a protest in Baltimore, April 28, 2015. Maryland's governor vowed there would be no repeat of the looting, arson and vandalism that erupted in some of the city's poorest neighborhoods.

Students from Baltimore colleges and high schools march in protest chanting "justice for Freddie Gray" on their way to City Hall April 29, 2015.

Activists protest in front of City Hall after marching from the Sandtown neighborhood to demand better police accountability and racial equality on April 30, 2015, following the death of Freddie Gray.

Various Baltimore gang members come together on May 1, 2015, after finding out that six police officers are to be charged in the death of Freddie Gray.

People shout during a rally at City Hall in Baltimore, on May 2, 2015.

People pray during a rally in front of City Hall in Baltimore, on May 3, 2015, calling for peace following widespread riots.

People pray over a makeshift cross during a rally in front of City Hall in Baltimore on May 3, 2015, calling for peace following widespread riots.

A small, peaceful group of demonstrators gather Sept. 2, 2015, to protest in front of the Baltimore City Circuit Courthouse East where pre-trial hearings will be held for six police officers charged in the death of Freddie Gray.

Baltimore City police officers lift activist Kwame Rose off the ground while arresting him during a demonstration at the Inner Harbor Sept. 2, 2015.

Baltimore Police Commissioner Kevin Davis, left, talks to activist Kwame Rose during a protest at the Baltimore courthouse on Sept. 10, 2015. Rose was catapulted to national prominence after an argument caught on camera with Geraldo Rivera during a protest.

Six officers were charged in the Freddie Gray case. Demonstrators outside of the Baltimore City Circuit Courthouse protest the hung jury in the trial of Officer William Porter on Dec. 16, 2015.

Baltimore city sheriffs push through a crowd of protesters and reporters on Dec. 16, 2015, at the Baltimore City Circuit Court House East after the jury deadlocked in the trial of Officer William G. Porter.

Jazmin Holloway sits on Dec. 16, 2015, below a mural depicting Freddie Gray at the intersection of his arrest in Baltimore.

Baltimore Officer Jordan Distance walks a foot patrol in Baltimore on March 31, 2016.

A customer chats with Baltimore Officer Ken Hurst, on April 8, 2016, inside a convenience store while Hurst is on foot patrol.

Morvin Jackson and his son Keith Ambush, 2, visit the place where Freddie Gray was arrested on April 19, 2016, the anniversary of Gray's death.

A mural dedicated to Freddie Gray is seen April 25, 2016, in Baltimore, a year after the protests sparked by Gray's death in police custody. Baltimore agreed last year to pay a $6.4 million settlement to the family of Freddie Gray.

Desmond Williams joins about 100 people for a rally to mark the anniversary of Freddie Gray's death at the War Memorial Plaza across from City Hall.

Lt. Col. Melvin Russell, who runs Baltimore's Community Partnership Division, joins other community leaders during an April 25, 2016, rally to mark the anniversary of the death of Freddie Gray. Organizers encouraged those attending the rally to move toward a new plan for the city.

Civic, political and faith leaders, including Baltimore Mayor Stephanie Rawlings-Blake, center, joined hundreds of people for an interfaith prayer service for peace on April 25, 2016.

Civic, political and faith leaders came together to pray for peace on April 25, 2016.