Testing DNA Evidence

In this special interview episode of Where Blood Runs Cold, I interview Sharon Henry Darby, author of Glensheen's Daughter, about the notorious Minnesota murderer and arsonist Marjorie Congdon, who besides allegedly conspiring to murder her mother Elizabeth Congdon at the famous Glensheen Mansion in Duluth, also left a trail of fire and death for the next three decades across the country. 

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