40 years ago Australian mother of two Lynette Dawson disappeared - today her husband Chris was found guilty of her murder. It's a cold case which has gripped the world, thanks to the award winning true crime podcast The Teacher's Pet which was downloaded 30 million times worldwide. It was No.1 in the podcast charts in Australia, the UK, Canada and New Zealand. Karyn is joined by ABC reporter Jamie McKinnell who was in court for the long-awaited verdict.