Three more former Minnesota police officers will be charged in the killing of George Floyd , a 46-year-old Black man who died after an officer kneeled on his neck during an arrest.

The office of Minnesota Attorney General Keith Ellison plans to charge Tou Thao, Thomas Lane and J. Alexander Kueng on Wednesday with aiding and abetting Floyds murder, according to reporting by the Minneapolis Star-Tribune that HuffPost confirmed with a law enforcement source.

The Hennepin County prosecutor had already arrested Derek Chauvin , the former police officer seen kneeling on Floyds neck, last week, charging him with third-degree murder and manslaughter. Ellisons office is also planning to announce that it would be upgrading the third-degree murder charge to second-degree murder.

Minnesota Gov. Tim Walz (D) tapped Ellison , a former progressive congressman and civil rights attorney, on Sunday to take over the case from Hennepin County prosecutor Mike Freeman. Walz said he made the decision to put Ellison in charge after consulting with Floyds family.