Mary Kathleen Schlais was a talented young artist whose life was cut short in February 1974.
For 50 years, her murder remained unsolved. A stocking cap recovered near the crime scene would eventually help investigators identify the man responsible.
In this GraceGripV Night Cases documentary, we explore Mary’s life, her love of art and travel, her final journey toward Chicago, the evidence that she resisted her attacker, and the DNA breakthrough that brought answers to her family decades later.
This is more than a cold-case investigation. It is a story about a life remembered.
Viewer discretion advised: This documentary discusses murder and violence. Some visuals are illustrative or AI-generated representations and should not be mistaken for authentic footage or photographs of the events.
CHAPTERS
00:00 Transmission 001
01:36 The Journey to Chicago
03:18 The Evidence and Mary’s Resistance
05:38 Fifty Years Without Answers
07:36 DNA in the Stocking Cap
08:12 Investigative Genetic Genealogy
09:50 Jon K. Miller Identified
12:15 Court and Sentencing
13:42 Remembering Mary
15:00 Lessons from Mary’s Story
16:10 Fifty Years Later
SOURCES
Dunn County Sheriff’s Office:
https://www.dunncountysheriff.com/post/dunn-county-sheriffs-investigators-solve-cold-case-1974-murder-of-mary-schlais
Ramapo College Investigative Genetic Genealogy Center:
GraceGripV — Stories. Storms. Sounds After Dark.
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These sources document the investigation and genetic-genealogy resolution.
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