Sisters Katherine and Sheila Lyon vanish from a Wheaton, Maryland mall in 1975, launching a 40-year search for the girls. This case was one of the largest police investigations in the history of the Washington, DC metropolitan area.
Production companies：
Wild Eyes Productions
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Inkblot Narratives
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Overview：Sisters Katherine and Sheila Lyon vanish from a Wheaton, Maryland mall in 1975, launching a 40-year search for the girls. This case was one of the largest police investigations in the history of the Washington, DC metropolitan area.
