Tyre Nichols death: Memphis mayor and police chief requested DOJ's review of the police department

• The Justice Department is reviewing the Memphis Police Department after Tyre Nichols' beating death.
• The review was requested by Memphis' mayor and police chief, the Justice Department said.
• The review will also examine specialized police units in departments across the country.

At the request of Memphis' mayor and police chief, the Justice Department will investigate the Memphis Police Department, as well as specialized police units across the country. The investigation was prompted by the death of Tyre Nichols, who was severely beaten by Memphis police officers.