Home Life 'We have a duty of care': Prosecutors say Derek Chauvin betrayed George... Life 'We have a duty of care': Prosecutors say Derek Chauvin betrayed George Floyd by not giving him medical aid By usatodaysun - April 7, 2021 0 Facebook Twitter Pinterest WhatsApp While prosecutors say Minneapolis police officers defied training, the defense argues angry bystanders interfered with the “care” of George Floyd.