The Grimmer family are thousands of miles from home, and the Fairy Meadow migrant hostel is a lonely place in the days after Cheryl's disappearance. Then a note arrives from someone claiming to be the kidnapper. There's a rendezvous and a demand for cash...
BBC News Correspondent Jon Kay continues his investigation into the abduction of 3 year old Cheryl Grimmer from a beach in New South Wales, Australia in 1970.

Produced for BBC Audio in Bristol by Chris Ledgard
Music: Elizabeth Purnell
Studio engineer: Jacques Sweeney
Editor: James Cook