Officer 's attorney , union representative submit ##ant 's letter of resignation . Police : Burris called the shooting `` unconscionable '' and said the $ 25 million claim alleges wrongful death and violation of civil rights by use of excessive force . Office investigating ` ` mental state '' of officer involved in shooting . Officer says Johannes Mehserle has been shot twice because of . Video shows officer shoot him in back as another officer kneels on him .
Officer 's attorney , union representative submit ##ant 's letter of resignation . Police : Office investigating ` ` mental state '' of officer involved in shooting . Officer says Johannes Mehserle has been shot twice because of . Video shows officer shoot him in back as another officer kneels on him .