One of the few stock photos that shows an actual machine used in DNA analysis! This is a PCR machine, which amplifies trace amounts of DNA so scientists can analyze it.
The suspected Golden State Killer’s apprehension last week caught a lot of people off guard. Prior to the big reveal that detectives were able to trace the alleged serial rapist and killer through his DNA, many hadn’t seriously considered the ramifications of handing over their genetic material to private companies. Now that the (again, suspected, but not convicted) Golden State Killer’s cousin’s data was supposedly able to help crack the long-unsolved case, though, people have had to start asking themselves just how much information they and others have willingly given to companies in the form of DNA samples (not to mention to Facebook). And how much should they have given?
History is peppered with examples of DNA tracing gone wrong. Take the phantom female serial killer whose genetic material turned up at dozens of crime scenes across Europe. The matches were so consistent, police were sure it had to be a prolific murderess. In fact, the DNA was so perfectly matched because it belonged to a woman who worked at the cotton swab factory where police got their supplies (the swabs weren’t certified for DNA collection.
https://www.popsci.com/consumer-dna-tests-golden-state-killer#page-2
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