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From cold to closed: Advances in DNA analysis helped solve cold cases in 2025
Quebec's provincial crime lab solved 8 to 10 cold cases recently using genetic genealogy and new DNA techniques, leading to arrests, convictions, and identifications.
- The murder of 10-year-old Marie-Chantale Desjardins was solved with Courtemanche's second-degree murder conviction in 2025.
- Diane Séguin, who leads the DNA section, states her team helps solve 8 to 10 cold cases annually.
- Advances in DNA analysis enabled Quebec provincial police to charge a suspect with manslaughter in a 1979 case.
- Séguin notes that improved techniques could reduce the occurrence of cold cases in the future.
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22 Articles
22 Articles
Winnipeg Free Press+21 Reposted by 21 other sources
From cold to closed: Advances in DNA analysis helped solve cold cases in 2025
Breaking News, Sports, Manitoba, Canada
·Winnipeg, Canada
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Total News Sources22
Leaning Left14Leaning Right0Center3Last UpdatedBias Distribution82% Left
Bias Distribution
- 82% of the sources lean Left
82% Left
L 82%
C 18%
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