The medical examiner's official autopsy report for 29-year-old Tyre Nichols showed he "died of brain injuries from blunt force trauma," according to the Shelby County, Tenn., District Attorney's Office. Here, the screen at the Smoothie King Center in New Orleans honors Nichols before an NBA basketball game between the New Orleans Pelicans and the Washington Wizards on Jan. 28. Matthew Hinton/AP hide caption
A photo of Tyre Nichols is positioned prior to a press conference on Jan. 27 in Memphis, Tenn. Attorneys representing Nichols' family announced plans to file a civil lawsuit against the city of Memphis, the city's police department, and individual officers over the 29-year-old's January death. Scott Olson/Getty Images hide caption
A portrait of Tyre Nichols is displayed at a memorial service for him on Tuesday, Jan. 17, 2023 in Memphis, Tenn. Nichols was killed during a traffic stop with Memphis Police on Jan. 7. Adrian Sainz/AP hide caption
This combination of images provided by the Memphis Police Department shows (from left) former police officers Demetrius Haley, Emmitt Martin III, Desmond Mills Jr. and Justin Smith. A Tennessee commission voted to decertify Haley, Martin and Smith. Mills surrendered his certification. Memphis Police Department via AP hide caption
The Memphis police supervisor on scene when Tyre Nichols was beaten to death by officers retired with his benefits the day before a hearing to fire him, according to newly released documents. Here in this image from video released and partially redacted by the city of Memphis, Tenn., Tyre Nichols lies on the ground during a brutal attack by Memphis Police officers, Jan. 7, 2023, in Memphis. AP hide caption
A candlelight vigil for Tyre Nichols in Memphis is held in January. Scott Olson/Getty Images hide caption
Mourners arrive to the funeral service for Tyre Nichols, at Mississippi Boulevard Christian Church on Wednesday, Feb. 1, 2023, in Memphis, Tenn. The City of Memphis announced the investigation into Nichols' death has been concluded, announcing an additional 20 hours of video footage will be released Wednesday. Jeff Roberson/AP hide caption
Attorney Ben Crump (from left) Tyre Nichols' mother, RowVaughn Wells, and stepfather, Rodney Wells, exit the courthouse in Memphis after five former Memphis police officers pleaded not guilty Friday to second-degree murder and other charges in Nichols' death. Adrian Sainz/AP hide caption
The screen at the Smoothie King Center in New Orleans honors Tyre Nichols before an NBA game between the New Orleans Pelicans and the Washington Wizards on Jan. 28. Matthew Hinton/AP hide caption
This combination of images provided by the Memphis Police Department shows, from top row from left, officers Tadarrius Bean, Demetrius Haley, Emmitt Martin III, bottom row from left, Desmond Mills, Jr. and Justin Smith. Memphis Police Department via AP hide caption
Protesters march Saturday, Jan. 28, in Memphis, Tenn., over the death of Tyre Nichols, who died after being beaten by Memphis police. Gerald Herbert/AP hide caption
The image from video released on Jan. 27, 2023, by the City of Memphis, shows police officers talking after a brutal attack on Tyre Nichols by five Memphis police officers on Jan. 7, 2023, in Memphis, Tenn. Nichols died on Jan. 10. The five officers have since been fired and charged with second-degree murder and other offenses. AP hide caption
RowVaughn Wells speaks alongside her husband Rodney Wells and the Rev. Al Sharpton during the funeral service for her son Tyre Nichols at Mississippi Boulevard Christian Church in Memphis, Tenn., on Wednesday. Andrew Nelles/The Tennessean via AP, Pool hide caption
A memorial is displayed for Tyre Nichols at the Embrace statue in Boston, Massachusetts, on January 28, 2023. Joseph Prezioso/AFP via Getty Images hide caption
Protesters march on Saturday in Memphis, Tenn., over the death of Tyre Nichols, who died after being beaten by Memphis police. Gerald Herbert/AP hide caption