Francis Oliver founded a small Black history museum in Sanford, Fla., the city where Trayvon Martin was killed. She has preserved the items from the roadside memorial that popped up after his death. Adrian Florido/NPR hide caption
Trayvon Martin
People in Los Angeles walk in a silent protest march on April 9, 2012, to demand justice for the killing of Trayvon Martin. David McNew/Getty Images hide caption
Albert Sykes (left), with his eldest son, Aidan, at home this week in Jackson, Miss. Courtesy of the Sykes family hide caption
From Trayvon Martin To George Floyd, A Dad And Son Keep Protesting For Equality
Sybrina Fulton this week qualified for her bid for District 1 seat of the Miami-Dade Board of County Commissioners. Her son, Trayvon Martin, was killed by neighborhood watch volunteer George Zimmerman in 2012. Brynn Anderson/AP hide caption
"This tale defies logic," Trayvon Martin's family said on Wednesday after George Zimmerman filed a lawsuit against the family. Sybrina Fulton, mother of Martin, is seen here delivering a speech in 2017. Paras Griffin/Getty Images hide caption
Black Lives Matter Finds 'Renewed Focus' 5 Years After Trayvon Martin
Defendant Matthew Apperson reacts to testimony from George Zimmerman during a September court hearing in Sanford, Fla. Joe Burbank/AP hide caption
Sanford, Fla., police Officer Timothy Smith holds up the gun that was used to kill Trayvon Martin, while testifying on June 28, 2013, the 15th day of George Zimmerman's murder trial. Zimmerman has listed the gun for sale online. Pool/Getty Images hide caption
Former Florida Gov. Jeb Bush takes the stage to formally join the race for president Monday at Miami Dade College in Miami. David Goldman/AP hide caption
Dr. Martin Luther King Jr., marches with other civil rights protesters during the 1963 March on Washington. AP hide caption
A booking photo provided by the Seminole County Public Affairs shows George Zimmerman on Saturday, Jan. 10, 2015. In the latest in a string of run-ins with the law in the past two years, Zimmerman has been charged with aggravated assault. AP hide caption
Lawyer Bruce Zimet comforts Marissa Alexander during a hearing Monday in Jacksonville, Fla. Bruce Lipsky/AP hide caption
Shellie Zimmerman in court on June 20. Gary W. Green/UPI/Landov hide caption
George Zimmerman "probably feared for his life," juror B37 told CNN. Gary W. Green/EPA/LANDOV hide caption
Protesters in support of Trayvon Martin march across the Brooklyn Bridge after attending a rally organized by the Rev. Al Sharpton on Sunday in New York City. Andrew Burton/Getty Images hide caption
President Obama tackled race head-on in his first on-camera response to George Zimmerman's acquittal in the shooting death of Florida teenager Trayvon Martin. Carolyn Kaster/AP hide caption
President Obama during his appearance at the White House on Friday. Saul Loeb/AFP/Getty Images hide caption
President Obama at the White House on Friday, as he spoke about the death of Trayvon Martin and the national discussion that the case has generated. Larry Downing/Reuters /Landov hide caption
President Obama's July 19, 2013, comments on Trayvon Martin and race relations
Sybrina Fulton, the mother of Trayvon Martin, appears for an interview with NPR's Michel Martin at Tell Me More. Doriane Raiman/NPR hide caption
George Zimmerman "probably feared for his life," juror B37 told CNN. Gary W. Green/EPA/LANDOV hide caption
Attorney General Eric Holder speaks at the annual convention of the NAACP in Orlando, Fla., on Tuesday. Holder told the convention that "Stand Your Ground" laws that have been adopted in 30 states should be reconsidered. David Manning/Reuters /Landov hide caption
George Zimmerman during his trial. Joe Burbank/pool/UPI/Landov hide caption