Nine days in, Derek Chauvin's trial focuses in on George Floyd's past drug use and restraint tactics used by Minneapolis police. RELATED: https://bit.ly/3fQpWN6 The prosecution of Derek Chauvin in George Floyd's death has focused not only on its arguments that the former police officer is culpable but a more elementary issue: That he failed to carry out his duty to provide basic care when Floyd was in medical distress and became unresponsive. » Subscribe to USA TODAY: http://bit.ly/1xa3XAh » Watch more on this and other topics from USA TODAY: https://bit.ly/3cTdp9P » USA TODAY delivers current local and national news, sports, entertainment, finance, technology, and more through award-winning journalism, photos, videos and VR.