In 1978, 15 year old Mary Vincent set out to hitchhike down to California to see her grandfather. She got in over her head, got more than she bargained for, and her life was ripped apart by Lawrence Singleton.

In this week's episode we look at the dangers of naivety and I hope this will serve as a cautionary tale to us all to be safe out there.

Photographs and sources of this case can be found here

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