About 21 hours of newly released video and audio are revealing more about what first responders in Memphis, Tenn., did and said the night Nichols was pulled over and mortally injured.
Subfreezing conditions and treacherous roads have contributed to dozens of deaths this month across the U.S., where states as far south as Texas and Florida remain gripped by deadly arctic weather.
The numbing cold is expected to ease in the coming days as water systems in Memphis and other Tennessee cities battle broken pipes that have caused boil-water notices.
A Memphis City Council committee voted to replace Chief Cerelyn "CJ" Davis a year after the fatal beating of Tyre Nichols by five officers generated intense criticism of her department.
A suspect in Tennessee died of an apparent self-inflicted gunshot while on the run early Sunday after he allegedly killed four and seriously injured a fifth victim, police said.
Desmond Mills Jr. changed his plea to guilty in the fatal beating of Tyre Nichols, becoming the first of five officers charged to reverse course. The agreement would settle state and federal charges.
The five former police officers face charges of excessive force, deliberate indifference and witness tampering for the January death of the 29-year-old Nichols.
What's it like to be a Black immigrant or refugee in America? We had a hundred or so conversations with people in Tennessee — one of the Blackest states in the country — to find out.
The 29-year-old's official cause of death was ruled a homicide, according to the report released Thursday by the West Tennessee Regional Forensic Center.
Nearly 20 hours of new footage and audio, along with accompanying documents, will be released to the public on Wednesday afternoon, officials say.
They were arraigned on charges of murder, assault and other felonies. Tyre Nichols died three days after officers beat him following a Jan. 7 traffic stop.
Two sheriff's deputies who have been suspended for five days failed to keep their body cameras activated after they went to the location where Nichols had been beaten by Memphis police, officials say.
The Memphis officer stood over Tyre Nichols and took photographs, which he sent to other officers and a female acquaintance, according to documents released by the Tennessee's police standards panel.
Preston Hemphill had been suspended as he was investigated for his role in the Jan. 7 arrest of Nichols, who died in a hospital three days later. Five Memphis officers have already been fired.
Nichols, 29, was pulled over on Jan. 7 for what police said was reckless driving. After trying to flee on foot, Nichols was severely beaten by police. He died in a hospital days later.