In this image taken from video, former Minneapolis police Officer Derek Chauvin addresses the court at the Hennepin County Courthouse, June 25, 2021, in Minneapolis. AP hide caption
Derek Chauvin
In this image taken from video, former Minneapolis police Officer Derek Chauvin addresses the court at the Hennepin County Courthouse in Minneapolis in 2021. An attorney for Chauvin asked an appeals court on Wednesday to throw out his convictions in the murder of George Floyd, arguing that numerous legal and procedural errors deprived him of his right to a fair trial. Court TV/AP hide caption
Tou Thao, left, and J. Alexander Kueng, are both former Minneapolis police officers charged in the May 2020 killing of George Floyd. Hennepin County Sheriff's Office/AP hide caption
A new audit of autopsies conducted under David Fowler's tenue "will determine whether independent experts agree or disagree with the [the Office of the Chief Medical Examiner's] determination of cause and manner of death, whether such experts believe the OCME's determinations were based on adequate investigations," the panel's said. AP hide caption
Former Minneapolis police officer Derek Chauvin's attorney says Hennepin County Judge Peter Cahill failed to ensure a fair trial for him. Court TV via AP/ Pool hide caption
Former Minneapolis police officers J. Alexander Kueng, Thomas Lane and Tou Thao are charged with failing to provide medical care to George Floyd as Derek Chauvin knelt on his neck. Hennepin County Sheriff's Office/AP hide caption
Former Minneapolis police officers J. Alexander Kueng, Thomas Lane and Tou Thao (left to right) are set to go on trial in federal court charged with violating George Floyd's civil rights. AP hide caption
The Minneapolis Police Department has been under increased scrutiny by residents and elected officials after the murder of George Floyd in police custody last year. Stephen Maturen/Getty Images hide caption
Philonise Floyd speaks at a news conference Friday in Minneapolis after the sentencing hearing of former Minneapolis police officer Derek Chauvin in the murder of George Floyd. Christian Monterrosa/AP hide caption
Hennepin County, Minn., Judge Peter Cahill presides over the sentencing of former Minneapolis police officer Derek Chauvin on Friday. He sentenced Chauvin to 22 1/2 years in prison for George Floyd's murder. Court TV via AP/Pool hide caption
Gianna Floyd, the 7-year-old daughter of George Floyd, appears in a video played Friday during victim impact statements in the sentencing of former Minneapolis police officer Derek Chauvin in Minneapolis. Court TV via AP/Pool hide caption
A man holds a Black Lives Matter flag during a March protest in St. Paul, Minn. Support for Black Lives Matter surged after protests following George Floyd's death. Activists charge that disparaging posts targeting BLM are part of an overall effort to undermine the movement and its message. Kerem Yucel/AFP via Getty Images hide caption
After the murder conviction of Derek Chauvin, Black police officers in America are considering what's changed and what hasn't in the year since George Floyd's death. Siede Preis/Getty Images hide caption
Former Minneapolis Police officers, from left, J. Alexander Kueng, Thomas Lane and Tou Thao. Their trial on charges related to the killing of George Floyd has been delayed until March 2022. AP hide caption
This image from video shows Minneapolis police officers Thomas Lane, left, and J. Alexander Kueng, right, escorting George Floyd, center, to a police vehicle outside Cup Foods in Minneapolis, on May 25, 2020. The image was shown as prosecutor Steve Schleicher gave closing arguments in the trial of Derek Chauvin for the death of Floyd. AP hide caption
Minnesota Attorney General Keith Ellison prosecuted former officer Derek Chauvin, who was convicted on April 20 of murdering George Floyd. Scott Olson/Getty Images hide caption
Minnesota Attorney General Focused On Mechanics Of Derek Chauvin Case, Not Its Impact
People wait for the verdict in Derek Chauvin's trial over the death of George Floyd outside the Hennepin County Courthouse in Minneapolis on Tuesday. Kerem Yucel/AFP via Getty Images hide caption
Opinion: After George Floyd's Death, A Press Release Obscured A Police Murder
At a ballfield a few blocks from where Andrew Brown Jr. was killed by a sheriff's deputy in Elizabeth City, N.C., Daquail Alexander organized a vigil and protest in Brown's memory. Sarah McCammon/NPR hide caption
Minneapolis Mayor Jacob Frey was met with boos from protestors in his city last summer after saying he didn't support abolishing the police. Stephen Maturen/Getty Images hide caption
Minneapolis Mayor Says He Welcomes Justice Department Policing Investigation
People celebrate at George Floyd Square in Minneapolis after the guilty verdict in the Derek Chauvin murder trial on Tuesday. Stephen Maturen/Getty Images hide caption
Activist: Convictions In George Floyd's Death Could Represent 'A Huge Paradigm Shift'
Derek Chauvin, seen here in a booking photo, faces sentencing in June. The former Minneapolis police officer was convicted of murder and manslaughter in George Floyd's death. Minnesota Department of Corrections via AP hide caption
Former Minneapolis police officer Derek Chauvin is taken into custody as his attorney, Eric Nelson, looks on after the verdicts were read on Tuesday at Chauvin's trial for the 2020 death of George Floyd. Court TV/AP hide caption
Defense attorney Eric Nelson (left) and former Minneapolis police officer Derek Chauvin listen to Judge Peter Cahill read instructions to the jury before closing arguments Monday. Court TV/Pool via AP hide caption