Minnesota Attorney General, Keith Ellison is increasing charges against former Minneapolis police officer Derek Chauvin to second-degree murder in George Floyd’s killing and also charging the other three officers involved in the incident following calls for their arrest. The three other ex-officers involved in the killing are Tou Thao, Thomas Lane, and J. Alexander Kueng. US Senator, Amy Klobuchar made the announcement in a tweet. Minnesota Attorney General Keith Ellison is increasing charges against Derek Chauvin …