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All Those 23andMe Spit Tests Were Part of a Bigger Plan
(www.bloomberg.com)
This is a most excellent place for technology news and articles.
they "narrowed it down" to about 1000 people. that is the case covered by video i linked in my comment above.
the sentence The fbi estimates they can use dna evidance to single dowm the possible people to 2 or 3 out of the entiriry of the us is still nonsense