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How Genette Tate mystery was reported in 1978

2 June 2014 Last updated at 16:54 BST

Detectives are making another attempt to solve the mystery of the disappearance of Devon schoolgirl Genette Tate almost 36 years ago.

They have asked prosecutors to look at bringing charges against serial child killer Robert Black.

Two months after Genette Tate went missing, the BBC made a programme about the case.

This archive footage is from the beginning of that film - which was broadcast on 26 October 1978.