Nationwide protests over Trayvon Martin case

Arleen Poitier wears a hoodie and holds a protest sign as thousands gathered in downtown Miami, Sunday, April 1, 2012, demanding justice for Trayvon Martin during a rally that featured national civil rights leaders. The unarmed 17-year-old was killed in the town of Sanford, Fla., on Feb. 26 in a shooting that has set off a nationwide debate over race and justice. Alleged shooter and neighborhood watch volunteer George Zimmerman has claimed self-defense in Martin's death. On April 11, Zimmerman was charged with second-degree murder in the case.

AP Photo/Spartanburg Herald Journal, Alex C. Hicks Jr.

Marva Turner holds a protest sign at a event to raise awareness about the shooting death of Florida teen Trayvon Martin, Saturday, March 31, 2012, in Spartanburg, S.C.

Dr. Elect Star walks with officers as she is arrested for her part in a demonstration for the killing of Trayvon Martin, in Indianapolis, Sunday, April 1, 2012.

Mohawk Gaz participates in a protest, as thousands gather in downtown Miami, Sunday, April 1, 2012, demanding justice for Trayvon Martin during a rally that featured national civil rights leaders.

A man joins nationwide protests in memory of slain Florida teenager Trayvon Martin on March 26, 2012 in downtown of Los Angeles.

Thousands of protestors march through in support of slain teenager Trayvon Martin on March 26, 2012 in Sanford, Florida.

Members of the National Black United Front hold a Trayvon Martin Solidarity Rally outside the U.S. Department of Justice March 26, 2012 in Washington, DC.

College student Jajuan Kelley covers his mouth with a Skittles wrapper as he stands in a crowd of thousands rallying at the Georgia State Capitol in memory of slain Florida teenager Trayvon Martin on March 26, 2012 in Atlanta.

(L-R) Rev. Al Sharpton, Jessie Jackson, and Benjamin Crump, attorney for the Trayvon Martin family, join together in a protest march just prior to a town hall meeting, March 26, 2012 in Sanford, Florida.

Thousands of protestors march in support of slain teenager Trayvon Martin on March 26, 2012 in Sanford, Florida.

Sheila Carr joins members of the National Black United Front while they hold a Trayvon Martin Solidarity Rally at the U.S. Department of Justice March 26, 2012 in Washington, DC.

Members of the National Black United Front hold a Trayvon Martin Solidarity Rally outside the U.S. Department of Justice March 26, 2012 in Washington, DC.

Trayvon Martin supporters march through downtown before the start of a town hall meeting about Martin

Trayvon Martin supporters gather at a rally while listening to an overflow broadcast of a town hall meeting about Martin

Trayvon Martin supporters listen to an overflow broadcast of a town hall meeting about Martin

Thousands of protestors march in support of slain teenager Trayvon Martin on March 26, 2012 in Sanford, Florida.

One of thousands of protesters who marched through the streets on March 26, 2012 in Sanford, Florida.

Anayah Collins, 6, and her aunt Percious Collins, join the thousands marching for slain teenager Trayvon Martin through the streets on March 26, 2012 in Sanford, Florida.

A protestor gives a speech to the crowd on March 26, 2012 in Sanford, Florida.

Thousands of protestors some holding hands in front of boxes holding petitions in support of slain teenager Trayvon Martin, before marching through the streets on March 26, 2012 in Sanford, Florida.

Ty Gaies attends rally outside a town hall meeting about Trayvon Martin

Thousands of protesters rally at the Georgia State Capitol in memory of slain Florida teenager Trayvon Martin on March 26, 2012 in Atlanta.

Jennifer Sherman holds a picture of her grandson alongside thousands of protesters rallying at the Georgia State Capitol in memory of slain Florida teenager Trayvon Martin on March 26, 2012 in Atlanta.

Thousands of hooded protesters hold signs as they rally at the Georgia State Capitol in memory of slain Florida teenager Trayvon Martin on March 26, 2012 in Atlanta.

A hooded protester raises a fist in a crowd of thousands rallying at the Georgia State Capitol in memory of slain Florida teenager Trayvon Martin on March 26, 2012 in Atlanta.

A protester holds up signs as thousands rally at the Georgia State Capitol in memory of slain Florida teenager Trayvon Martin on March 26, 2012 in Atlanta.

Trayvon Martin supporters gather at a rally while listening to an overflow broadcast of a town hall meeting about Martin

Jordan Miller, 10, holds a handmade sign alongside thousands of protesters rallying at the Georgia State Capitol in memory of slain Florida teenager Trayvon Martin on March 26, 2012 in Atlanta.

Thousands of protesters rally at the Georgia State Capitol in memory of slain Florida teenager Trayvon Martin on March 26, 2012 in Atlanta.

Hooded young protester holds a banner in a rallying in memory of slain Florida teenager Trayvon Martin on March 26, 2012 in Los Angeles.

A man joins the nationwide protest in memory of slain Florida teenager Trayvon Martin on March 26, 2012 in downtown of Los Angeles.

A woman shouts as she joins the nationwide protest in memory of slain Florida teenager Trayvon Martin on March 26, 2012 in downtown of Los Angeles.

A woman joins the nationwide protest in memory of slain Florida teenager Trayvon Martin on March 26, 2012 in downtown Los Angeles.

People join nationwide protests in memory of slain Florida teenager Trayvon Martin on March 26, 2012 in downtown of Los Angeles.

A man joins nationwide protests in memory of slain Florida teenager Trayvon Martin on March 26, 2012 in downtown of Los Angeles.

A woman joins nationwide protests in memory of slain Florida teenager Trayvon Martin on March 26, 2012 in downtown of Los Angeles.

Men join nationwide protests in memory of slain Florida teenager Trayvon Martin on March 26, 2012 in downtown of Los Angeles.

People attend a demonstration in Washington on March 24, 2012 to demand justice for Trayvon Martin, an unarmed black Florida teenager shot to death on Feb. 26.

A protester holds a sign with pictures of George Zimmerman at a rally for slain teenager Trayvon Martin on March 22, 2012 in Sanford, Florida.

Protesters demonstrate at a rally for slain teenager Trayvon Martin on March 22, 2012 in Sanford, Florida.

Lakeshe Hall demonstrates at a protest rally supporting slain teenager Trayvon Martin on March 22, 2012 in Sanford, Florida.

Rev. Al Sharpton (C) speaks at a rally with Tracy Martin (R), and Sybrina Fulton (L), parents of slain teenager Trayvon Martin, on March 22, 2012 in Sanford, Florida.

Supporters of Trayvon Martin rally in Union Square during a 'Million Hoodie March' in Manhattan on March 21, 2012 in New York City.

A group of residents of the city of Sanford rally for justice in support of the 17-year-old black teen Trayvon Martin who was shot by a neighborhood watch volunteer on March 20, 2012 in Sanford, Florida.

A group of residents of the city of Sanford rally for justice in support of the 17-year-old black teen Trayvon Martin, who was shot by a neighborhood watch volunteer, on March 20, 2012 in Sanford, Florida.