the brown family's lawyer called the medical examiner's report inaccurate. he's caller for an independent review. tonight there are questions about the medical examiner himself. >> on the run from police in deland, florida. marlon brown never expected this was how his life would end. in an instant, he's gone. brown disappears underneath the officer's patrol car. the officer had been chasing him for a seat belt violation. brown's family calls it an execution. saying officer james harris never slowed down or swerved to avoid hitting brown. but that's not what the medical examiner for volusia county found. in this autopsy report, dr. shipping bao called brown's death in may an accident. and most controversily that the car did not, repeat did not hit brown. because there were no pelvic or skull fractures. instead, the medical examiner found brown died from mechanical