The story of the unsolved murder of fourteen year Elsie Frost in 1965.
Anne and Colin's lives were turned upside down when their sister Elsie was murdered.
What happened to Elsie Frost? The detective leading her case speaks to iPM.
Elsie Frost: 'Nobody can see anything. Why?'.
'These are moving sands, and it's getting very interesting.'.
'I had to show the police my knife.' A man comes forward with an unusual offer of help.
A listener and her brother talk to iPM about the unsolved murder of their sister in 1965.