In 1981, after four years of captivity, Cameron gave Colleen a single gift: a weekend home with her family in Oregon. But he warned her, if she so much as hinted that she was his captive, The Company would murder her parents in cold blood, and torture her sister to death. 

Parcasters - This week on Unexplained Mysteries we dig into the Zone of Silence, a patch of land where no radios or communication devices work. What is behind the phenomenon? Find out at parcast.com/unexplained