Early one chilly morning in March of 1977, Mary Gillespie checked her postbox and found a strange, threatening letter inside - addressed to her. 

And so began one of the most bizarre incidences ever to befall the town of Circleville...

This episode is written by Emma Dibdin and produced by Richard MacLean Smith.

Go to @unexplainedpod, facebook.com/unexplainedpodcast or www.unexplainedpodcast.com for more info. Thank you for listening.