Patricia 'Patsy' Barnes Part 2 of 2
Sep 14, 2026 · 39m
Summary
This episode details the 2022 resolution of the 1995 murder of Patricia Barnes, a homeless woman in Seattle. Detective Michael Grant reopened the cold case, initially ruling out serial killer Robert Lee Yates before focusing on new DNA evidence. Through retesting physical evidence and using investigative genetic genealogy, authorities identified Douglas Keith Crohn as the killer. Crohn, who had a history of mental illness and property crimes, was confirmed via DNA matches on a cigarette butt, sleeping bag, and the victim’s body. The case highlights the critical role of modern forensic techn…
Topics discussed
Ruling out serial killer Robert Lee Yates
Reopening the case and retesting DNA evidence
Reviewing suspects: Wayne Harmon and Marvin Kay
Anonymous tip and investigation of Robert Hirschberg
Failed attempts to obtain Harmon's DNA
The red herring of the rubber gloves
Initial DNA results and exclusion of Marvin Kay
Surreptitious DNA collection from Wayne Harmon
Definitive DNA match and exclusion of Harmon
Identifying Douglas Crone via genetic genealogy
Background and criminal history of Douglas Crone
The accidental death of Douglas Crone in 2016
Press conference and family reactions
Analysis of the crime and missed DNA collection
Reflections on the case and victim's life
Promotional segment for A Date with Dateline
Show credits and subscription information
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