'You'd walk out if your husband hit you - you can't when it's your child' By Sarah McDermott Most parents never have to worry about being attacked by a violent child, but if it happens, they face a dilemma. They can't just walk out - and they may fear that seeking help will have repercussions for their child. Research suggests the problem is often hidden, and far more common than we imagine. Last summer, 10-year-old Aidan decided he was going to kill the family dog. He lured her behind the sofa with a sausage before putting his hands over her muzzle and around her neck.