Broken Trust: how police are failing to protect children from domestic violence

Mason Jet Lee died at 22 months old after his stepfather punched him so hard his bowel ruptured. An exclusive Guardian Australia investigation has found that repeated warnings about his killer were ignored. Could an unpublished submission to the inquest of his death hold evidence of police failings? Nour Haydar and Queensland correspondent Ben Smee discuss what the violent death of Mason Jet Lee reveals about a broken system