Genetic testing company 23andMe's bankruptcy has led to a new consumer privacy issue: what happens to the DNA of millions of Americans when it goes on sale?

Bankrupt genetic testing firm 23andMe Holding Co. won permission from a judge to try to sell information about customers’ medical and ancestry-related data, a trove that is considered the most valuable asset in the insolvency case — and has become a source of privacy and safety concerns amid the company’s collapse.

The most obvious use for genetic data is discovering one’s health predispositions; 23andMe offers a subscription that shows whether a person’s DNA is associated with a likelihood for certain ...

Where would my genetic data go after I dropped it in a mailbox and sent it to a lab for an intimate analysis performed by some anonymous professional on behalf of a publicly traded company? I felt one could never be too sure.

As you may know, 23andMe collects and holds sensitive, immutable, identifiable personal information about millions of American consumers who have used the Company's genetic testing and telehealth services.

Me declared bankruptcy, raising concerns about data for millions of customers. But genetic genealogy is extremely helpful in solving cold cases, former Denver District Attorney Mitch Morrisey said.