Johannes Grant was convicted in 2013 of shooting an unarmed man . The appeal to reverse the conviction was filed this week . He committed such gross negligence that he should not be allowed back on the streets to protect and serve again , '' said Grant 's mother Wanda Johnson at a news conference Friday in Oakland . It was argued in a court hearing on Wednesday . Grant 's family is angry that they were not informed about the verdict .
Johannes Grant was convicted in 2013 of shooting an unarmed man . The appeal to reverse the conviction was filed this week . It was argued in a court hearing on Wednesday . Grant 's family is angry that they were not informed about the verdict .