> What can they do with the DNA other than checking crimes or mapping genomes?
"Does your husband know that he is not the father?"-type blackmailing for example.
Planting false DNA evidence on people could be a thing.
https://www.reuters.com/world/europe/putin-kept-macron-dista...
> French President Emmanuel Macron refused a Kremlin request that he take a Russian COVID-19 test when he arrived to see President Vladimir Putin this week, to prevent Russia getting hold of Macron's DNA, two sources in Macron's entourage told Reuters.