For over fifty years, David Cunningham has been searching for the truth about his sister Anita, who vanished while hitchhiking Queensland’s notorious Flinders Highway in 1972.
While her friend Robin was tragically found murdered, Anita’s fate remains one of the Outback's most enduring and haunting mysteries.
In this powerful, extended interview from the documentary series Outback Murder Highway, David shares the grueling reality of a half-century search for justice. From the initial desperate weeks to the sudden breakthrough of new witnesses, he explores the theories, the suspects and his hope that someone who knows something will come forward.

This interview was conducted by Jo Townsend for the television series Outback Murder Highway - On Channel 9 at 8.30pm on Wednesday nights - from April 22 to May 13.
Or watch anytime here - on 9Now.

See omnystudio.com/listener for privacy information.

Two 18-year-old girls disappeared on the Flinders Highway in 1972. One was found murdered, the other has never been found.
In this first episode of our special series for Outback Murder Highway, Tim & Xanthe are joined by investigative journalist Amelia Oberhardt to dissect the unsolved case of Anita Cunningham and Robin Hoinville-Bartram. Could police have missed crucial evidence all those years ago that could prove they were victims of one of Australia's most notorious serial killers?

You can watch the Outback Murder Highway TV documentary series 8.30pm Wednesday on Channel 9 from April 22 to May 13.
Or watch anytime here - on 9Now.

See omnystudio.com/listener for privacy information.

One Australian highway - 11 people dead or missing
In this special series, criminal psychologist Tim Watson-Munro and forensic criminologist, Dr Xanthe Weston are unpacking four major cases under investigation in the exclusive new television documentary series Outback Murder Highway.
In each episode, Tim & Xanthe are joined by investigative journalist Amelia Oberhardt to dissect the history of these unsolved cases along Australia's notorious Flinders Highway, and the new developments revealed in the documentary series.
Plus, we'll be releasing bonus extended interviews from the documentary series.
Launching April 23.

Watch Outback Murder Highway every Wednesday night from April 22 - May 13 at 8.30pm on Channel 9 or catch up anytime on 9Now.

See omnystudio.com/listener for privacy information.