Demonstrators chant during a rally in downtown Manhattan on December 13.
Demonstrators chant during a rally in downtown Manhattan on December 13.
John Minchillo/AP
Police arrest a "Black Lives Matter" protester on Saturday, December 20, in Bloomington, Minnesota. Invoking the familiar names of blacks who died at the hands of police, including Eric Garner, Michael Brown and Tamir Rice, thousands have taken part in protests across the country calling for a more aggressive federal response to recent slayings by police.
Police arrest a "Black Lives Matter" protester on Saturday, December 20, in Bloomington, Minnesota. Invoking the familiar names of blacks who died at the hands of police, including Eric Garner, Michael Brown and Tamir Rice, thousands have taken part in protests across the country calling for a more aggressive federal response to recent slayings by police.
Adam Bettcher/Getty Images
Thousands of protesters fill the Mall of America in Bloomington on Saturday, December 20.
Thousands of protesters fill the Mall of America in Bloomington on Saturday, December 20.
Adam Bettcher/Getty Images
Police line up to move the protesters from out of the mall on December 20 in Bloomington.
Police line up to move the protesters from out of the mall on December 20 in Bloomington.
Adam Bettcher/Getty Images
Mikela Mosley speaks out in front of a line of police during a demonstration on Saturday, December 13, in Oakland, California.
Mikela Mosley speaks out in front of a line of police during a demonstration on Saturday, December 13, in Oakland, California.
Elijah Nouvelage/Getty Images
A protester is arrested at a demonstration on December 13 in Oakland.
A protester is arrested at a demonstration on December 13 in Oakland.
Elijah Nouvelage/Getty Images
Demonstrators march over the inbound lane of the Brooklyn Bridge in New York on December 13.
Demonstrators march over the inbound lane of the Brooklyn Bridge in New York on December 13.
John Minchillo/AP
Protesters stage a "die-in" during a march in Chicago on December 13.
Protesters stage a "die-in" during a march in Chicago on December 13.
Scott Olson/Getty Images
Demonstrators face off with police during a march in Chicago on December 13.
Demonstrators face off with police during a march in Chicago on December 13.
Scott Olson/Getty Images
Protesters march through the streets of Oakland on December 13.
Protesters march through the streets of Oakland on December 13.
Elijah Nouvelage/Getty Images
Protesters gather at the Alameda County Courthouse in Oakland on December 13.
Protesters gather at the Alameda County Courthouse in Oakland on December 13.
Elijah Nouvelage/Getty Images
A demonstrator marches in New York on December 13 during the "Justice for All" rally.
A demonstrator marches in New York on December 13 during the "Justice for All" rally.
John Minchillo/AP
The protest moves down Sixth Avenue in New York on December 13.
The protest moves down Sixth Avenue in New York on December 13.
Kena Betancur/Getty Images
A woman marches down 14th Street in New York on December 13.
A woman marches down 14th Street in New York on December 13.
Kena Betancur/Getty Images
From left, Samaira Rice, the mother of Tamir Rice; Lesley McSpadden, the mother of Michael Brown Jr.; the Rev. Al Sharpton and Michael Brown Sr., the father of Michael Brown Jr, raise their hands in the air during the "Justice For All" march and rally through Washington on December 13.
From left, Samaira Rice, the mother of Tamir Rice; Lesley McSpadden, the mother of Michael Brown Jr.; the Rev. Al Sharpton and Michael Brown Sr., the father of Michael Brown Jr, raise their hands in the air during the "Justice For All" march and rally through Washington on December 13.
Chip Somodevilla/Getty Images
Protesters fill the street as they gather for a march on December 13 in Washington.
Protesters fill the street as they gather for a march on December 13 in Washington.
Chip Somodevilla/Getty Images