Police witnesses criticize Derek Chauvin’s actions in Day 7 of trial

Minneapolis police training officers and an expert witness testified on Day 7 of Derek Chauvin’s trial and said his treatment of George Floyd was unwarranted. The defense, however, may have gained some testimony from one witness. CBS News legal expert and analyst Rikki Klieman joins CBSN to discuss what this means for both sides’ arguments. Source