One of Melbourne's most notorious serial killers will learn if he is a free man today. Paul Denyer, also known as the Frankston serial killer will face his parole hearing today and could be released from jail, after he was sentenced to life with a non-parole period of 30 years. An online petition calling for Denyer to remain behind bars has gathered more than 44,000 signatures with organisers saying it's "one last thing we can do for these ladies". Denyer was found guilty of murdering three wome