Murders of Katherine and Sheila Lyon

Katherine Mary Lyon (aged 10) and Sheila Mary Lyon (aged 12) were sisters who disappeared without a trace during a March 25, 1975 trip to a shopping mall in the Wheaton, Maryland suburb of Washington, D.C.. Known colloquially as The Lyon Sisters, their case resulted in one of the largest police investigations in Washington metropolitan area history.

Murders of Katherine and Sheila Lyon

Katherine Mary Lyon (aged 10) and Sheila Mary Lyon (aged 12) were sisters who disappeared without a trace during a March 25, 1975 trip to a shopping mall in the Wheaton, Maryland suburb of Washington, D.C.. Known colloquially as The Lyon Sisters, their case resulted in one of the largest police investigations in Washington metropolitan area history.