This combination photo shows Travis McMichael (from left), William Bryan and Gregory McMichael during their trial at the Glynn County Courthouse in Brunswick, Ga. The three men have filed appeals of their federal hate crime convictions. AP hide caption
Demonstrators carry placards during a rally and march on June 27, 2020, over the death of Elijah McClain in Aurora, Colo. David Zalubowski/AP hide caption
This undated portrait shows Emmett Till, who was killed in Mississippi in 1955. AP hide caption
Three bronze panels at one of the entrances to Bartlett Hall, at West Point depict the history of the United States. In coming days, the U.S. military academy will begin taking down memorials commemorating figures of the Confederacy. U.S. Military Academy at West Point via AP, File hide caption
A marble bust of Chief Justice Roger Taney is displayed in the Old Supreme Court Chamber in the U.S. Capitol on March 9, 2020. J. Scott Applewhite/AP hide caption
Attorney General Merrick Garland with Assistant Attorney General Kristen Clarke for the Civil Rights Division, announced civil rights charges Thursday related to the botched Louisville Police drug raid that led to the death of Breonna Taylor. Manuel Balce Ceneta/AP hide caption
Former Minneapolis Police Officer Tou Thao (left) was sentenced to 3 1/2 years and J. Alexander Kueng got three years Wednesday for violating George Floyd's civil rights. Hennepin County Sheriff's Office via AP hide caption
Composer Carlos Simon's Requiem for the Enslaved, commissioned by Georgetown University, is a reckoning with the school's troubled history. Toko Shiik/Courtesy of the artist hide caption
Terrence Floyd speaks during a news conference during the unveiling of three sculptures as part of the "SEEINJUSTICE" art exhibition that feature the likenesses of his brother George Floyd, Breonna Taylor, and John Lewis, Thursday, Sept. 30, 2021, at Union Square in the Manhattan borough of New York. John Minchillo/AP hide caption
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
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
From left to right, former Minneapolis police officers J. Alexander Kueng, Thomas Lane and Tou Thao provided by the Hennepin County Sheriff's Office in Minnesota on June 3, 2020. Hennepin County Sheriff's Office/AP hide caption
Colin Kaepernick, co-creator of the Netflix dramatic limited series, Colin in Black and White, attends the series premiere on Oct. 28, 2021. The former NFL quarterback has launched an initiative to offer free second autopsies in police-related deaths. Chris Pizzello/Invision/AP hide caption
Brett Hankison (left) exits the courtroom after the first day of jury selection in his trial on Feb. 8, in Louisville, Ky. Hankison is on trial for allegedly firing shots into the apartment next door to Breonna Taylor's the night she was killed. Dylan Lovan/AP hide caption
A federal jury found (from left) Travis McMichael, William "Roddie" Bryan and Gregory McMichael guilty of hate crimes charges. AP/Pool, File hide caption
Former Brooklyn Center, Minn., police officer Kim Potter was convicted of manslaughter in the death of Daunte Wright last year. Court TV/AP hide caption
Federal prosecutors are arguing that, from left, Travis McMichael, his father Gregory McMichael, and William "Roddie" Bryan Jr. are guilty of a hate crime in the death of Ahmaud Arbery, whose murder they were convicted of in state court. Glynn County Detention Center/via AP hide caption
From left, Travis McMichael, William "Roddie" Bryan and Gregory McMichael were convicted of multiple murder charges in late November. Stephen B. Morton; Octavio Jones/Pool/AP hide caption
Naisha Wright, aunt of Daunte Wright, pauses after speaking during a news conference in April, in Minneapolis. Wright tells NPR that true justice would be to bring Daunte Wright back, but that Potter's conviction provides accountability. John Minchillo/AP hide caption
Former Brooklyn Center Police Officer Kim Potter testifies in court on Friday in Minneapolis. Potter is charged with first and second-degree manslaughter in the April 11 shooting death of Daunte Wright. Court TV, via AP, Pool hide caption
Kim Potter, the 49-year-old former police officer accused of manslaughter in the death of 20-year-old Daunte Wright. AP hide caption
Kim Potter, a former Brooklyn Center, Minn., police officer, has said she meant to use a Taser instead of a handgun when she shot and killed Daunte Wright on April 11. Hennepin County Sheriff via AP hide caption
Tamala Payne (center) and attorney Sean Walton participate in a Dec. 11, 2020, protest of the shooting of her son, Casey Goodson Jr., by a Franklin County deputy sheriff in Columbus, Ohio. Doral Chenoweth/AP hide caption