Media Diarist Stephen Brook interviews Hedley Thomas, the investigative journalist behind the record breaking true crime podcast The Teacher's Pet, which has him fielding offers for a Hollywood adaptation.Hedley's has taken on Prime Ministers, billionaires, and the Australian Federal Police. As a foreign correspondent he covered the collapse of communism. He's won a gold Walkley award for the shocking case of Dr Mohamed Haneef. But shocked the industry by walking away from journalism. As the National Chief Correspondent at The Australian, Hedley had to reinvent himself as a podcaster with The Teacher's Pet.