For the family of Australian teenager Pheobe Bishop, the last nine days have been nothing short of agonising - after the 17-year-old packed her bags and left for the airport to catch a flight.
But she never made it onto that plane - and the Queensland native has apparently vanished without a trace.
That might be mystery enough for police - who are treating her disappearance as 'suspicious' - to solve.
But an investigation over the last week has unveiled a series of disturbing details that could solve the one question police urgently want answered: What has happened to Pheobe?
Firstly there was the last-minute phone call to her boyfriend - a 'high school sweetheart' who had moved across the country to Western Australia - just moments before she was meant to have boarded her flight.
