Authorities in Tennessee are preparing for the release of police officer body cam footage of Tyre Nichols, a 29-year-old Black man who died three days after a traffic stop on Jan. 7. Memphis Police Chief Cerelyn Davis gave an address Wednesday evening and called Nichols’ death "heinous, reckless and inhumane," cautioning people not to react violently after seeing the footage. "This is not just a professional failing. This is a failing of basic humanity towards another individual," Davis said, saying the five officers and others who were involved in his death "failed our community, and they failed the Nichols family....