The city of Memphis, Tennessee, plans to release video Friday showing Tyre Nichols being tased, pepper-sprayed, beaten and restrained for three minutes by police officers in a case that is being closely watched across the country.
The video will be released after 7 p.m. Eastern time, Shelby County District Attorney Steven Mulroy said Thursday.
Here is what we know about the beating, which put Nichols in the hospital, where he ultimately died:
