Protesters participate in a die-in at Bryant Park during a march against a grand jury's decision not to indict the police officer involved in the death of Eric Garner, Friday, Dec. 5, 2014, in New York.

Deon Johnson, 19, of Washington, DC, raises his fist as he and others take part in a four and-a-half minute "die-in" while blocking an intersection in downtown Washington, Friday, Dec. 5, 2014, during a demonstration against the deaths of two unarmed black men at the hands of white police officers in New York City and Ferguson, Mo.

Protesters participate in a "die-in" at Bryant Park during a march against a grand jury's decision not to indict the police officer involved in the death of Eric Garner, Friday, Dec. 5, 2014, in New York.

Protesters rally against a grand jury's decision not to indict the police officer involved in the death of Eric Garner, Friday, Dec. 5, 2014, in New York.

The Associated Press Pam Daly, left, of Hartsdale, N.Y., joins Greenburgh, N.Y. Board of Education member Sonja Brown as they participate in a demonstration against grand jury decisions not to indict police officers involved in the chokehold death of Eric Garner in New York City and the fatal shooting of Michael Brown in Ferguson, Missouri, on Friday in White Plains, N.Y.

Protesters rallying against a grand jury’s decision not to indict the police officer involved in the death of Eric Garner march down Fifth Avenue past the Rockefeller Center Christmas tree, Friday, Dec. 5, 2014, in New York.

Hundreds of protestors have a die-in during the Kalamazoo Art Walk during a protest in downtown Kalamazoo, Mich. on Friday, Dec. 5, 2014 against the non indictments of the police officers involved in the deaths of Michael Brown in Ferguson, Mo. and Eric Garner in New York City.

Angelica Simmons, center, holds her arms up in the air while participating in a demonstration at a tree lighting ceremony in Philadelphia on Wednesday. The crowd, protesting the deaths of two unarmed black men at the hands of police, rallied at the train station and marched through downtown before disrupting a tree lighting ceremony at City Hall. The Associated Press

Protesters march in Minneapolis on Thursday, a day after a grand jury decided not to indict a New York City officer in the death of Eric Garner.