New DNA forensics are helping police find out who definitely didn’t do it

It’s been a big month for DNA profiling. A few weeks ago, after over 30 years, the American police finally arrested the “Golden State Killer.” The suspect, now 72 years old, allegedly committed a series of horrific murders and rapes in California in the 1970s and ’80s. How they caught him? By checking crime scene DNA against a public genealogy website. Dutch Detective Chief Superintendent Mark Wiebes read the story, obviously. But, he quickly adds: This would not have been legally possible in the Netherlands. “In long-drawn, heart-wrenching cases like this, it’s tempting to collect and analyze as many DNA…

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