In 1977 an intruder entered the beautiful Glensheen mansion on the shores of Lake Superior. In the night of terror that followed, in a macabre game of Cluedo come to life, the wealthy heiress and her nurse were savagely murdered. There were suspects aplenty but the police knew from the start that the answers lay close to home...

Sources:

'Glensheen's Daughter: The Marjorie Congdon Story' by Sharon Darby Hendry

'Will to Murder: The True Story Behind the Crimes & Trials Surrounding the Glensheen Killings' by Gail Feichtinger 

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