04.01.21 - 6:32pm By Christina Aanested Day 4 of Derek Chauvin’s murder trial: prosecution disputes defense that victim died of other causes. Audio Playerhttps://kpfa.org/app/uploads/2021/04/MARTINEZ_Chauvin_Trial_4.mp300:0000:0000:00Use Up/Down Arrow keys to increase or decrease volume. “MARTINEZ_Chauvin_Trial_4”. Released: -1.