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Criminal Masterminds, Take Note

California will be searching its DNA databases for the relatives of criminal suspects, reports the Los Angeles Times. Under this new policy the state crime lab will tell the police about close, partial DNA matches from the database that are likely to be a familial match. Other states use this technique, but California is the first to make it policy, raising concerns of civil libertarians. "I can guarantee if familial searching proceeds, it will create a political firestorm," says Jeffrey Rosen, a constitutional law professor at George Washington University.

The Scan

Gone, But Now Reconstructed SARS-CoV-2 Genomes

In a preprint, a researcher describes his recovery of viral sequences that had been removed from a common database.

Rare Heart Inflammation Warning

The Food and Drug Administration is adding a warning about links between a rare inflammatory heart condition and two SARS-CoV-2 vaccines, Reuters reports.

Sandwich Sampling

The New York Times sent tuna sandwiches for PCR analysis.

Nature Papers Describe Gut Viruses, New Format for Storing Quantitative Genomic Data, More

In Nature this week: catalog of DNA viruses of the human gut microbiome, new dense depth data dump format to store quantitative genomic data, and more.