Desperate bid to solve 15-year-old mystery of missing NQ mum Katieo'shea2 - Katie O'Shea, who disappeared after being dropped off in Atherton on December 29, 2005. Crime by Grace Mason Premium Content Subscriber only SOMEONE has likely been clinging on to a deadly secret in the Far North for exactly 15 years. December 29, 2005 was when Lily Parmenter's world broke apart, when her mum Katie O'Shea was dropped off to play pool at an Atherton pub and was never seen again. Those 15 years have been littered with rumours, leads and innuendo. Not knowing what happened is what rips apart Ms Parmenter, who was 19 when her mum disappeared, and can still leave her crying herself to sleep.