former county prosecutor for an entirely separate and independent investigation. he says from what he saw, the behavior was unacceptable and needs to stop immediately. a 33-year-old robert johnson was unarmed and punched repeatedly during a domestic disturbance call. officers report he refused to sit down and was showing body language like you wanted to fight. his attorney says there is no justification for the use of force. mesa pd has placed five officers on these and two more officers from an unrelated arrest from the week prior. mesa's police chief says he's handing over the permanent probe to the neighboring scottsdale pd hoping to restore the public's trust. >> simply put, these investors will sign a glaring light on the areas where we have fallen short. and they will help us fix it. >>reporter: that second