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Before Dorothy Arnold, There Was Adele Boas: The New York City Heiress Who Went Missing and Came Home

New York City heiress Adele Boas didn’t wake up on April 23, 1909 with the intention of going missing, but before the sun would set, she was gone.

Introducing a Four-Part Series on the 1969 Disappearance of Thomas Riha

Thomas Riha spent the night of March 15, 1969 attending dinner party at a graduate student’s Boulder home. The University of Colorado professor appeared distracted…