Amateur Sleuth Identifies Golden State Killer—and Now He's Behind Bars

One Crazy Idea

McNamara posed the question: What if someone used a genetic database—such as 23andMe, which McNamara herself had tried out for fun—to catch the killer? She assumed that somebody related to the Golden State Killer had to have submitted their DNA for testing...

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The More You Know

  • Roughly 600 Parisians work at the Eiffel Tower each day.
  • One in four Americans thinks that the Sun revolves around the Earth.
  • Before mating, the female giraffe will first urinate in the male's mouth.
  • A U.S. park ranger named Roy C. Sullivan held the record for being struck by lightning the most times, having been struck — and surviving — seven times between 1942 and 1977.
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