A teenager who was filmed swinging the family cat around by its tail was caught out when his mum shopped him to the police. Mum-of-four Karen Ridley was horrified when she discovered the sickening footage on her son Matthew's mobile phone. She threw her cruel son out of the family home, reported him to the police and then rang the Army, where he hopes to work, and told them what he had done to the helpless animal. The appalling minute-long clip, filmed by the teenager's friend, shows 13-year-old Belle, a black and white house cat, screeching in pain as the...