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by alistairSH 2344 days ago
Roughly... Crime is committed, police find DNA sample at scene, police compare sample with online DNA registry, hits as a near-match for personX, police now know that a sibling/cousin of personX is the culprit. That sibling/cousin never allowed their own DNA to be collected.

This happened in 2018... https://www.washingtonpost.com/news/true-crime/wp/2018/04/27...

1 comments

... police now think that ...

To me, that is the real threat - false positives. myopic reliance on the database, and an assumption the computer is always correct.