tamir rice video
The family's lawyers called for a federal investigation into the shooting, saying the current investigation is a "grave miscarriage of justice."
Activists demanded the appointment of an independent prosecutor to investigate the death of the 12-year-old.
Rice's sister ran towards him after she heard gunfire, the Associated Press reports. Last month, Rice's family filed a lawsuit
The low-resolution video shows Tamir reaching to his waistband and then bending over after being shot. His body is mostly