Legislative efforts and legal challenges in recent years have focused on the protocols surrounding when police can legally collect a suspect’s DNA (with or without a search warrant and whether upon arrest or conviction), the question of how to handle “shed” or “touch” DNA has largely slipped through without much debate or opposition.

As scientist Leslie A. Pray notes:

What this means is that if you have the misfortune to leave your DNA traces anywhere a crime has been committed, you’ve already got a file somewhere in some state or federal database—albeit it may be a file without a name. As Heather Murphy warns in the New York Times: “The science-fiction future, in which police can swiftly identify robbers and murderers from discarded soda cans and cigarette butts, has arrived…  Genetic fingerprinting is set to become as routine as the old-fashioned kind.”

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