A police messaging service called STOPIT that was set up to report harassment on Melbourne's public transport system has led to more than 60 arrests over the last 3 years, in this edition of The Conversation Hour we discuss what role it has played in capturing and preventing instances of unwanted sexual behaviour which could otherwise go unreported.

Also in this edition, outback killer, Bardley John Murdoch has died in prison, he was sentenced to life for the murder of British backpacker Peter Falconio , in 2005, we revisit the case that inspired Wolf Creek.

Plus, what does a day off alcohol mean for your health and preserving heritage listing and green spaces while increasing housing.