Exclusive: An autopsy of the five-month-old revealed dozens of older injuries, including fractured ribs. Yet no one has been charged and no inquest has been held into his death Mason Lee was punched so hard his bowel ruptured. New evidence reveals police ignored repeated warnings about toddler’s killer Get our breaking news email , free app or daily news podcast In March 2017, the death of a baby boy “known to child safety” sets in motion a frantic few days.