• Aztechnology@lemmy.world
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    6 days ago

    Leaving the DNA behind doesn’t really identify him if his DNA is not in the system.

    But nowadays the odds some relative of yours put theirs up on some family tree site is pretty high so they could narrow the suspect pool quite a bit going that route.

    • FauxPseudo @lemmy.world
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      6 days ago

      His DNA doesn’t need to be in any system. These days there are professionals that take DNA results and comb through the databases to find close relatives that are in the system. It’s how they caught the BTK Killer.