PHOTOS: National March Against Police Violence

A man is wrapped in chains as people march in the National March Against Police Violence, which was organized by National Action Network, through the streets of Manhattan on December 13, 2014 in New York City. The march coincided with a march in Washington D.C. and comes on the heels of two grand jury decisions not to indict white police officers in the deaths of two unarmed black men. (Photo by Andrew Burton/Getty Images) ( 460420502 )

Protesters march from the Governors Mansion to the Pennsylvania State Capital Saturday in Harrisburg, Saturday, Dec. 13, 2014, in protest of police abuses in the black community. (AP Photo/PennLive.com, James Robinson) ( Killings By Police March Pennsylvania )

People march in the National March Against Police Violence, which was organized by National Action Network, down 6th Ave., on December 13, 2014 in New York City. The march coincided with a march in Washington D.C. and comes on the heels of two grand jury decisions not to indict white police officers in the deaths of two unarmed black men. (Photo by Kena Betancur/Getty Images) ( 460422950 )

Colin Kirk (R) and Margaus Van Allen (L) hold placards as they march during the "Justice For All" march in Washington, DC, December 13, 2014. Thousands of people descended on Washington to demand justice Saturday for black men who have died at the hands of white police, the latest in weeks of demonstrations across the United States. AFP PHOTO/JIM WATSON/AFP/Getty Images ( 536146755 )

A man with tape on his mouth marches in the National March Against Police Violence, which was organized by National Action Network, down 14th St on December 13, 2014 in New York City. The march coincided with a march in Washington D.C. and comes on the heels of two grand jury decisions not to indict white police officers in the deaths of two unarmed black men. (Photo by Kena Betancur/Getty Images) ( 460423634 )

Demonstrators march in New York, Saturday, Dec. 13, 2014, during the Justice for All rally and march. In the past three weeks, grand juries have decided not to indict officers in the chokehold death of Eric Garner in New York and the fatal shooting of Michael Brown in Ferguson, Mo. The decisions have unleashed demonstrations and questions about police conduct and whether local prosecutors are the best choice for investigating police. (AP Photo/John Minchillo) ( Killings By Police March )

Angela Kirkland leads the chant on the steps of the Pennsylvania State Capitol in Harrisburg, Saturday, Dec. 13, 2014, in protest of police abuses in the black community. (AP Photo/PennLive.com, James Robinson) ( APTOPIX Killings By Police March Pennsylvania )

Demonstrators march on Pennsylvania Avenue toward Capitol Hill in Washington, Saturday, Dec. 13, 2014, during the Justice for All rally. More than 10,000 protesters are converging on Washington in an effort to bring attention to the deaths of unarmed black men at the hands of police. Civil rights organizations are holding a march to the Capitol on Saturday with the families of Michael Brown and Eric Garner, two unarmed black men who died in incidents with white police officers. (AP Photo/Jose Luis Magana) ( Killings By Police March )

Demonstrators march in New York, Saturday, Dec. 13, 2014, during the Justice for All rally and march. In the past three weeks, grand juries have decided not to indict officers in the chokehold death of Eric Garner in New York and the fatal shooting of Michael Brown in Ferguson, Mo. The decisions have unleashed demonstrations and questions about police conduct and whether local prosecutors are the best choice for investigating police. (AP Photo/John Minchillo) ( Killings By Police March )

Lesley McSpadden, mother of police shooting victim Michael Brown, helps lead the "Justice For All" rally and march against police brutality and the killing of unarmed black men by police in the nation's capital, December 13, 2014 in Washington, DC. Organized by Rev. Al Sharpton's National Action Network, this march and other like it across the country aim to tell Congress and the country that demonstrators will not stand down until there is systemic change, accountability and justice in cases of police misconduct. Sharpton said the demonstration is happening in Washington "because all over the country we all need to come together and demand this Congress deal with the issues, that we need laws to protect the citizens in these states from these state grand jurors." (Photo by Chip Somodevilla/Getty Images) ( 460418212 )

Thousands of people gather in the nation's capital for the "Justice For All" rally and march against police brutality and the killing of unarmed black men by police, December 13, 2014 in Washington, DC. Organized by Rev. Al Sharpton's National Action Network, this march and others like it across the country aim to tell Congress and the country that demonstrators will not stand down until there is systemic change, accountability and justice in cases of police misconduct. Sharpton said the demonstration is happening in Washington "because all over the country we all need to come together and demand this Congress deal with the issues, that we need laws to protect the citizens in these states from these state grand jurors." (Photo by Chip Somodevilla/Getty Images) ( 460418810 )

WASHINGTON, DC - DECEMBER 13: Thousands of people gather in the nation's capital for the "Justice For All" rally and march against police brutality and the killing of unarmed black men by police, December 13, 2014 in Washington, DC. Organized by Rev. Al Sharpton's National Action Network, this march and others like it across the country aim to tell Congress and the country that demonstrators will not stand down until there is systemic change, accountability and justice in cases of police misconduct. Sharpton said the demonstration is happening in Washington "because all over the country we all need to come together and demand this Congress deal with the issues, that we need laws to protect the citizens in these states from these state grand jurors." (Photo by Chip Somodevilla/Getty Images) ( 460418820 )

WASHINGTON, DC - DECEMBER 13: Thousands of people gather in the nation's capital for the "Justice For All" rally and march against police brutality and the killing of unarmed black men by police, December 13, 2014 in Washington, DC. Organized by Rev. Al Sharpton's National Action Network, this march and others like it across the country aim to tell Congress and the country that demonstrators will not stand down until there is systemic change, accountability and justice in cases of police misconduct. Sharpton said the demonstration is happening in Washington "because all over the country we all need to come together and demand this Congress deal with the issues, that we need laws to protect the citizens in these states from these state grand jurors." (Photo by Chip Somodevilla/Getty Images) ( 460418824 )

Thousands of people gather in the nation's capital for the "Justice For All" rally and march against police brutality and the killing of unarmed black men by police, December 13, 2014 in Washington, DC. Organized by Rev. Al Sharpton's National Action Network, this march and other like it across the country aim to tell Congress and the country that demonstrators will not stand down until there is systemic change, accountability and justice in cases of police misconduct. Sharpton said the demonstration is happening in Washington "because all over the country we all need to come together and demand this Congress deal with the issues, that we need laws to protect the citizens in these states from these state grand jurors." (Photo by Chip Somodevilla/Getty Images) ( 460419188 )

Rev. Al Sharpton (C) leads the "Justice For All" march in the nation's capital with the families of Eric Garner, Michael Brown, Tamir Rice, Trayvon Martin, Amadou Diallo and other unarmed black men who were killed by police, December 13, 2014 in Washington, DC. Organized Sharpton's National Action Network, this march and other like it across the country aim to tell Congress and the country that demonstrators will not stand down until there is systemic change, accountability and justice in cases of police misconduct. Sharpton said the demonstration is happening in Washington "because all over the country we all need to come together and demand this Congress deal with the issues, that we need laws to protect the citizens in these states from these state grand jurors." (Photo by Chip Somodevilla/Getty Images) ( 460419200 )

(L-R) Samaira Rice, the mother of Tamir Rice; Lesley McSpadden, the mother of Michael Brown Jr; 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 the nation's capital December 13, 2014 in Washington, DC. Organized by Sharpton's National Action Network, this march and others like it across the country aim to tell Congress and the country that demonstrators will not stand down until there is systemic change, accountability and justice in cases of police misconduct. Sharpton said the demonstration is happening in Washington "because all over the country we all need to come together and demand this Congress deal with the issues, that we need laws to protect the citizens in these states from these state grand jurors." (Photo by Chip Somodevilla/Getty Images) ( 460419626 )

Thousands of people gather in the nation's capital for the "Justice For All" rally and march against police brutality and the killing of unarmed black men by police, December 13, 2014 in Washington, DC. Organized by Rev. Al Sharpton's National Action Network, this march and others like it across the country aim to tell Congress and the country that demonstrators will not stand down until there is systemic change, accountability and justice in cases of police misconduct. Sharpton said the demonstration is happening in Washington "because all over the country we all need to come together and demand this Congress deal with the issues, that we need laws to protect the citizens in these states from these state grand jurors." (Photo by Chip Somodevilla/Getty Images) ( 460419632 )

Thousands of people gather in the nation's capital for the "Justice For All" rally and march against police brutality and the killing of unarmed black men by police, December 13, 2014 in Washington, DC. Organized by Rev. Al Sharpton's National Action Network, this march and others like it across the country aim to tell Congress and the country that demonstrators will not stand down until there is systemic change, accountability and justice in cases of police misconduct. Sharpton said the demonstration is happening in Washington "because all over the country we all need to come together and demand this Congress deal with the issues, that we need laws to protect the citizens in these states from these state grand jurors." (Photo by Chip Somodevilla/Getty Images) ( 460419870 )

Thousands of people gather in the nation's capital for the "Justice For All" rally and march against police brutality and the killing of unarmed black men by police, December 13, 2014 in Washington, DC. Organized by Rev. Al Sharpton's National Action Network, this march and others like it across the country aim to tell Congress and the country that demonstrators will not stand down until there is systemic change, accountability and justice in cases of police misconduct. Sharpton said the demonstration is happening in Washington "because all over the country we all need to come together and demand this Congress deal with the issues, that we need laws to protect the citizens in these states from these state grand jurors." (Photo by Chip Somodevilla/Getty Images) ( 460419874 )

Rev. Al Sharpton address the "Justice For All" march and rally in the nation's capital December 13, 2014 in Washington, DC. Organized by Sharpton's National Action Network, this march and others like it across the country aim to tell Congress and the country that demonstrators will not stand down until there is systemic change, accountability and justice in cases of police misconduct. Sharpton said the demonstration is happening in Washington "because all over the country we all need to come together and demand this Congress deal with the issues, that we need laws to protect the citizens in these states from these state grand jurors." (Photo by Chip Somodevilla/Getty Images) ( 460420054 )

People march in the National March Against Police Violence, which was organized by National Action Network, through the streets of Manhattan on December 13, 2014 in New York City. The march coincided with a march in Washington D.C. and comes on the heels of two grand jury decisions not to indict white police officers in the deaths of two unarmed black men. (Photo by Andrew Burton/Getty Images) ( 460420496 )

People march in the National March Against Police Violence, which was organized by National Action Network, through the streets of Manhattan on December 13, 2014 in New York City. The march coincided with a march in Washington D.C. and comes on the heels of two grand jury decisions not to indict white police officers in the deaths of two unarmed black men. (Photo by Andrew Burton/Getty Images) ( 460420500 )

People march in the National March Against Police Violence, which was organized by National Action Network, on 14th St. on December 13, 2014 in New York City. The march coincided with a march in Washington D.C. and comes on the heels of two grand jury decisions not to indict white police officers in the deaths of two unarmed black men. (Photo by Kena Betancur/Getty Images) ( 460422954 )

People march in the National March Against Police Violence, which was organized by National Action Network, down 6th Ave., on December 13, 2014 in New York City. The march coincided with a march in Washington D.C. and comes on the heels of two grand jury decisions not to indict white police officers in the deaths of two unarmed black men. (Photo by Kena Betancur/Getty Images) ( 460422956 )

People march in the National March Against Police Violence, which was organized by National Action Network, down 6th Ave., on December 13, 2014 in New York City. The march coincided with a march in Washington D.C. and comes on the heels of two grand jury decisions not to indict white police officers in the deaths of two unarmed black men. (Photo by Kena Betancur/Getty Images) ( 460422958 )

A woman from Harlem marches in the National March Against Police Violence, which was organized by National Action Network, through the 14th st on December 13, 2014 in New York City. The march coincided with a march in Washington D.C. and comes on the heels of two grand jury decisions not to indict white police officers in the deaths of two unarmed black men. (Photo by Kena Betancur/Getty Images) ( 460423084 )

People march in the National March Against Police Violence, which was organized by National Action Network, down 14th St on December 13, 2014 in New York City. The march coincided with a march in Washington D.C. and comes on the heels of two grand jury decisions not to indict white police officers in the deaths of two unarmed black men. (Photo by Kena Betancur/Getty Images) ( 460423594 )

A man with a dust mask on marches in the National March Against Police Violence, which was organized by National Action Network, down 14th St on December 13, 2014 in New York City. The march coincided with a march in Washington D.C. and comes on the heels of two grand jury decisions not to indict white police officers in the deaths of two unarmed black men. (Photo by Kena Betancur/Getty Images) ( 460423608 )

A woman marches in the National March Against Police Violence, which was organized by National Action Network, down 14th St on December 13, 2014 in New York City. The march coincided with a march in Washington D.C. and comes on the heels of two grand jury decisions not to indict white police officers in the deaths of two unarmed black men. (Photo by Kena Betancur/Getty Images) ( 460423642 )

People march in the National March Against Police Violence, which was organized by National Action Network, down 14th St on December 13, 2014 in New York City. The march coincided with a march in Washington D.C. and comes on the heels of two grand jury decisions not to indict white police officers in the deaths of two unarmed black men. (Photo by Kena Betancur/Getty Images) ( 460423644 )

People march in the National March Against Police Violence, which was organized by National Action Network, down 14th St on December 13, 2014 in New York City. The march coincided with a march in Washington D.C. and comes on the heels of two grand jury decisions not to indict white police officers in the deaths of two unarmed black men. (Photo by Kena Betancur/Getty Images) ( 460423648 )

Hanniel Sindelar chants with protesters as they march from the Governors Mansion to the State Capital in Harrisburg, Saturday, Dec. 13, 2014, in protest of police abuses in the black community. (AP Photo/PennLive.com, James Robinson) ( Killings By Police March Pennsylvania )

Demonstrators march on Pennsylvania Avenue toward Capitol Hill in Washington, Saturday, Dec. 13, 2014, during the Justice for All march. More than 10,000 protesters are converging on Washington in an effort to bring attention to the deaths of unarmed black men at the hands of police. Civil rights organizations are holding a march to the Capitol on Saturday with the families of Michael Brown and Eric Garner, two unarmed black men who died in incidents with white police officers. (AP Photo/Jose Luis Magana) ( Killings By Police March )

Demonstrators march in New York, Saturday, Dec. 13, 2014, during the Justice for All rally and march. In the past three weeks, grand juries have decided not to indict officers in the chokehold death of Eric Garner in New York and the fatal shooting of Michael Brown in Ferguson, Mo. The decisions have unleashed demonstrations and questions about police conduct and whether local prosecutors are the best choice for investigating police. (AP Photo/John Minchillo) ( Killings By Police March )

Chanelle neal kisses her son Jamar, 8, on the steps of the Pennsylvania State Capitol in Harrisburg, Saturday, Dec. 13, 2014, in protest of police abuses in the black community. (AP Photo/PennLive.com, James Robinson) ( Killings By Police March Pennsylvania )

Demonstrators march in New York, Saturday, Dec. 13, 2014, during the Justice for All rally and march. In the past three weeks, grand juries have decided not to indict officers in the chokehold death of Eric Garner in New York and the fatal shooting of Michael Brown in Ferguson, Mo. The decisions have unleashed demonstrations and questions about police conduct and whether local prosecutors are the best choice for investigating police. (AP Photo/John Minchillo) ( Killings By Police March )

Demonstrators march on Pennsylvania Avenue toward Capitol Hill in Washington, Saturday, Dec. 13, 2014, during the Justice for All rally. More than 10,000 protesters are converging on Washington in an effort to bring attention to the deaths of unarmed black men at the hands of police. Civil rights organizations are holding a march to the Capitol on Saturday with the families of Michael Brown and Eric Garner, two unarmed black men who died in incidents with white police officers. (AP Photo/Jose Luis Magana) ( Killings By Police March )

Emmanuel Williams leads the chant on the steps of the Pennsylvania State Capitol in Harrisburg, Saturday, Dec. 13, 2014, in protest of police abuses in the black community. (AP Photo/PennLive.com, James Robinson) ( Killings By Police March Pennsylvania )

Melissa W. Green, right, and her daughter Reshae Green holds up their signs at Freedom Plaza during the Justice for All march and rally on Pennsylvania Avenue in Washington, Saturday, Dec. 13, 2014. In the past three weeks, grand juries have decided not to indict officers in the chokehold death of Eric Garner in New York and the fatal shooting of Michael Brown in Ferguson, Mo. The decisions have unleashed demonstrations and questions about police conduct and whether local prosecutors are the best choice for investigating police. (AP Photo/Jose Luis Magana) ( Killings By Police March )

Eddie Murphy and Jennie Freet on the steps of the Pennsylvania State Capitol in Harrisburg, Saturday, Dec. 13, 2014, during the Black Lives Matter Die-in, to protest of police abuses in the black community. (AP Photo/PennLive.com, James Robinson) ( Killings By Police March Pennsylvania )

Demonstrators march on Pennsylvania Avenue toward Capitol Hill in Washington, Saturday, Dec. 13, 2014, during the Justice for All march. More than 10,000 protesters are converging on Washington in an effort to bring attention to the deaths of unarmed black men at the hands of police. Civil rights organizations are holding a march to the Capitol on Saturday with the families of Michael Brown and Eric Garner, two unarmed black men who died in incidents with white police officers. (AP Photo/Jose Luis Magana) ( Killings By Police March )

A demonstrators holds a banner during a prayer in Washington, Saturday, Dec. 13, 2014, at the Justice for All rally. More than 10,000 protesters are converging on Washington in an effort to bring attention to the deaths of unarmed black men at the hands of police. Civil rights organizations are holding a march to the Capitol on Saturday with the families of Michael Brown and Eric Garner, two unarmed black men who died in incidents with white police officers. (AP Photo/Jose Luis Magana) ( Killings By Police March )

Demonstrators march in New York, Saturday, Dec. 13, 2014, during the Justice for All rally and march. In the past three weeks, grand juries have decided not to indict officers in the chokehold death of Eric Garner in New York and the fatal shooting of Michael Brown in Ferguson, Mo. The decisions have unleashed demonstrations and questions about police conduct and whether local prosecutors are the best choice for investigating police. (AP Photo/John Minchillo) ( Killings By Police March )

Thousands take part in the Justice for All March and Rally on Pennsylvania Avenue to the US Capitol in Washington, DC, on December 13, 2014, to protest the killings of unarmed African-Americans by police officers and the decisions by Grand Juries to not indict them. AFP PHOTO / SAUL LOEB/AFP/Getty Images ( 536145378 )

Thousands take part in the Justice for All March and Rally on Pennsylvania Avenue to the US Capitol in Washington, DC, on December 13, 2014, to protest the killings of unarmed African-Americans by police officers and the decisions by Grand Juries to not indict them. AFP PHOTO / SAUL LOEB/AFP/Getty Images ( 536145498 )

Thousands take part in the Justice for All March and Rally down Pennsylvania Avenue through downtown Washington, DC, December 13, 2014, to protest the killings of unarmed African Americans by police officers and the decisions by Grand Juries to not indict them. AFP PHOTO / SAUL LOEB/AFP/Getty Images ( 536146222 )

Thousands take part in the Justice for All March and Rally down Pennsylvania Avenue through downtown Washington, DC, December 13, 2014, to protest the killings of unarmed African Americans by police officers and the decisions by Grand Juries to not indict them. AFP PHOTO / SAUL LOEB/AFP/Getty Images ( 536146240 )

US film director Spike Lee (R) stands holding an US Flag during the "Justice For All" march in Washington, DC, December 13, 2014. Thousands of people descended on Washington to demand justice Saturday for black men who have died at the hands of white police, the latest in weeks of demonstrations across the United States. AFP PHOTO/JIM WATSON/AFP/Getty Images ( 536146366 )

A protester holds a sign during the "Justice For All" march December 13, 2014 in Washington, DC. Thousands of people descended on Washington to demand justice Saturday for black men who have died at the hands of white police, the latest in weeks of demonstrations across the United States. AFP PHOTO/BRENDAN SMIALOWSKI/AFP/Getty Images ( 536146318 )

Demonstrators hold up a giant placard of a man with his hands up during the "Justice For All" march in Washington, DC, December 13, 2014. Thousands of people descended on Washington to demand justice Saturday for black men who have died at the hands of white police, the latest in weeks of demonstrations across the United States. AFP PHOTO/JIM WATSON/AFP/Getty Images ( 536146726 )

A young man raises his arms over his head as he shouts "Don't Shoot" during the Millions March NYC on December 13, 2014 in New York. Thousands of people marched in Washington and New York on Saturday to demand justice for black men who have died at the hands of white police, the latest in weeks of demonstrations across the United States. AFP PHOTO/DON EMMERT/AFP/Getty Images ( 536148411 )

A woman shouts as she marches during the Millions March NYC on December 13, 2014 in New York. Thousands of people marched in Washington and New York on Saturday to demand justice for black men who have died at the hands of white police, the latest in weeks of demonstrations across the United States. AFP PHOTO/DON EMMERT/AFP/Getty Images ( 536148525 )

Protesters march on 5th Avenue during the Millions March NYC on December 13, 2014 in New York. Thousands of people marched in Washington and New York on Saturday to demand justice for black men who have died at the hands of white police, the latest in weeks of demonstrations across the United States. AFP PHOTO/DON EMMERT/AFP/Getty Images ( 536148571 )

Protesters march on 5th Avenue during the Millions March NYC on December 13, 2014 in New York. Thousands of people marched in Washington and New York on Saturday to demand justice for black men who have died at the hands of white police, the latest in weeks of demonstrations across the United States. AFP PHOTO/DON EMMERT/AFP/Getty Images ( 536148561 )

Protesters march on 5th Avenue during the Millions March NYC on December 13, 2014 in New York. Thousands of people marched in Washington and New York on Saturday to demand justice for black men who have died at the hands of white police, the latest in weeks of demonstrations across the United States. AFP PHOTO/DON EMMERT/AFP/Getty Images ( 536148583 )

Protesters march on 5th Avenue during the Millions March NYC on December 13, 2014 in New York. Thousands of people marched in Washington and New York on Saturday to demand justice for black men who have died at the hands of white police, the latest in weeks of demonstrations across the United States. AFP PHOTO/DON EMMERT/AFP/Getty Images ( 536148565 )