Minn. AG escalates charges against Chauvin, arrests three other officersMinnesota Attorney General Keith Ellison increased the severity of charges to second-degree murder against former Minneapolis Police Officer Derek Chauvin in George Floyd’s death, which was captured on video and has prompted international outrage.Ellison also charged officers Thomas Lane, J.A. Kueng and Tou Thao on Wednesday with aiding and abetting second degree murder while committing a felony and aiding and abetting second degree manslaughter …