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Police hope pollen analysis with crack cold case
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249 views4likes1:56CTVNewsOriginal Release: 2026-05-26

Forensic pollen analysis (palynology) can be used to determine a person's geographic location and recent movements by examining pollen and spores found on their clothing or belongings, as demonstrated when Vancouver Police Department used this technique to analyze a sweater from an unidentified kayaker's backpack, revealing she had been in the Pacific Northwest region between Portland and Seattle rather than Vancouver, helping investigators narrow down her identity.

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