The family of Trayvon Martin, the 17-year-old boy who was shot in Sanford, Fla on Feb. 26, is calling for an investigation into the case, questioning whether the man who fired his gun did so in self-defense.
- [change.org/Courtesy]

George Zimmerman seen here after his arrest on April 11, 2012. Zimmerman's arrest follows weeks of anger and debate throughout the country in response to the murder of 17-year-old Trayvon Martin. Zimmerman's attorney said his client would plead not guilty and invoke Florida's "stand your ground" law, which gives people wide latitude to use deadly force rather than retreat during a fight.
- [Sanford Police Department/Courtesy]

A screengrab of a police surveillance video showing George Zimmerman after he was detained following the killing of Florida teenager Trayvon Martin.
- [/Screengrab]

NEW YORK, NY - MARCH 21: Supporters of Trayvon Martin rally in Union Square during a 'Million Hoodie March' in Manhattan on March 21, 2012 in New York City. Thousands of protesters turned out to demonstrate against the killing of the black unarmed teenager by a white neighborhood watch captain. The protesters marched through the streets after holding a large rally in Union Square.
- [Mario Tama/AFP/Getty Images]

Martin's father, Tracey Martin, addresses protesters in Union Square. The "Million Hoodie March" comes in response to the killing of unarmed Trayvon Martin who was wearing a hoodie at the time of his death.
- [John Moore/AFP/Getty Images]

Supporters of Trayvon Martin block traffic as they march through Union Square during a 'Million Hoodie March' in Manhattan on March 21, 2012 in New York City. The protesters took to the streets after holding a large rally in Union Square.
- [Mario Tama/AFP/Getty Images]

Trayvon Martin, 17, was shot and killed on Feb. 26 by self-appointed neighborhood watchman George Zimmerman in Sanford, Florida.
- [Roberto Gonzalez/AFP/Getty Images]

Sybrina Fulton (2nd R) and Tracy Martin (R), parents of slain teenager Trayvon Martin, attend a rally with family attorney Benjamin Crump (L) after a town hall meeting March 26, 2012.
- [Mario Tama/Getty Images]

Secretary of the Treasury Tim Geithner, Dartmouth College President Jim Yong Kim and Secretary of State Hillary Clinton listen while President Barack Obama speaks in the Rose Garden of the White House on March 23, 2012 in Washington, DC. President Obama was announcing the nomination of Kim to the World Bank post, but used the opportunity to call for some soul-searching after the Trayvon Martin case.
- [BRENDAN SMIALOWSKI/AFP/Getty Images]

Rev. Al Sharpton (L) attends a rally with Sybrina Fulton (C), mother of slain teenager Trayvon Martin, as family attorney Benjamin Crump (R) looks on March 22, 2012 in Sanford, Florida. Sanford Police Department Chief Bill Lee announced he will temporarily step down following the killing of the black unarmed teenager by a white and Hispanic neighborhood watch captain. Sharpton organized the rally.
- [Mario Tama/AFP/Getty Images]

Members of the New Black Panther Party rally next to a Trayvon Martin memorial in Sanford, Fla., today. The New Black Panther party said it is calling for a mobilization of black men to search for and arrest George Zimmerman, the neighborhood watch volunteer who admitted shooting and killing Martin. The group offered a $10,000 bounty for Zimmerman's capture.
- [Mario Tama/AFP/Getty Images]

People attend a demonstration in Washington on March 24, 2012 to demand justice for Trayvon Martin, an unarmed black Florida teenager shot to death by a white volunteer guard on February 26. The suspect in the shooting, George Zimmerman, told police he shot Martin in self-defense while working as a neighborhood watch captain. Zimmerman's friend and lawyer now say he is scared for his life.
- [NICHOLAS KAMM/AFP/Getty Images]

ATLANTA, GA - MARCH 26: 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, Georgia. Protests have been nationwide in reaction to the death of Trayvon Martin, the Florida teenager whose shooting by a neighborhood watch captain has led to questions of the "Stand Your Ground" law in Florida and other states. (Photo by Jessica McGowan/Getty Images)
- [Jessica McGowan/AFP/Getty Images]

Thousands of people took to Skittles Facebook wall asking why the company had yet to publicly support the family of Trayvon Martin. At the time of his death, Martin was carrying an iced tea and a bag of Skittles.
- [Otto Greule Jr/AFP/Getty Images]

A protester carries a poster reading "I am Trayvon Martin" during a rally in downtown Washington on Wednesday.
- [MLADEN ANTONOV/AFP/Getty Images]

Mohawk Gaz wears a picture of Trayvon Martin in his hair as he and other supporters gather for a rally in his honor at the Bayfront Amphitheater on April 1 in Miami.
- [Joe Raedle/AFP/Getty Images]

Tamarii Cummings and his mother Patricia Cummings, who are related to Trayvon Martin, pray along with other supporters as they gather during a rally in Trayvon's honor at the Bayfront Amphitheater on April 1, 2012 in Miami, Florida. Special prosecutor Angela Corey said on April 9, 2012, that she will not be using a grand jury to determine whether charges must be filed against the shooter, George Zimmerman.
- [Joe Raedle/AFP/Getty Images]

New York City Council Speaker Christine Quinn (C) puts on a hoodie as she speaks during a press conference to call for justice in the February 26 killing of 17-year-old Trayvon Martin in Sanford, Florida, on the steps of City Hall March 28, 2012 in New York City. Martin was killed by George Michael Zimmerman while on neighborhood watch patrol in the gated community of The Retreat at Twin Lakes.
- [Allison Joyce/AFP/Getty Images]

The target is was being sold on online retail sites with the intention of profiting off Trayvon Martin's death.
- [YouTube/YouTube]

George Zimmerman appears for a bond hearing at the John E. Polk Correctional Facility April 12, 2012 in Sanford, Florida. Zimmerman was charged with second degree murder in the fatal shooting of 17-year-old Trayvon Martin who died February 26, 2012.
- [Pool/AFP/Getty Images]

Judge Recksiedler is seen during a short status hearing in the second-degree murder case for the shooting death of Trayvon Martin against George Zimmerman on April 13.
- [Pool/AFP/Getty Images]

George Zimmerman enters into the courtroom of Circuit Judge Kenneth Lester on April 20. 2012, in Sanford, Florida, for a bond hearing in the shooting death of Trayvon Martin. Judge Lester set a 150,000 USD bond for the pre-trial release of the neighborhood watch volunteer charged with murdering unarmed black teenager Trayvon Martin. The judge also imposed certain conditions on Zimmerman's release, including that he submit to electronic GPS tracking, a curfew and to periodically report to authorities.
- [Gary W. Green/AFP/Getty Images]

Florida teen Trayvon Martin, who was fatally shot by George Zimmerman, as interpreted by artist Shepard Fairey.
- [Splash News/Corbis/Courtesy]

George Zimmerman giving his first TV interview since the shooting of Trayvon Martin, to Sean Hannity of Fox News.
- [Fox News/Screengrab]