Law enforcement officials are vastly expanding their collection of DNA to include millions more people who have been arrested or detained but not yet convicted. The move, intended to help solve more crimes, is raising concerns about the privacy of petty offenders and people who are presumed innocent.
Until now, the federal government genetically tracked only convicts. But starting this month, the Federal Bureau of Investigation will join 15 states that collect DNA samples from those awaiting trial and will collect DNA from detained immigrants — the vanguard of a growing class of genetic registrants.
Make no mistake: this is a genetic dragnet. The clearest signal that we should be worried comes when backers resort to the old argument “If you have nothing to hide, then you have nothing to worry about.”
Mr. Morrissey pointed to Britain, which has fewer privacy protections than the United States and has been taking DNA upon arrest for years. It has a population of 61 million — and 4.5 million DNA profiles. “About 8 percent of the people commit about 70 percent of your crimes, so if you can get the majority of that community, you don’t have to do more than that,” he said.
In the United States, 8 percent of the population would be roughly 24 million people.
Of course, in the land of magical datamining, we only keep the DNA of people sure to be criminals.
Critics are also disturbed by the demographics of DNA databases. Again Britain is instructive. According to a House of Commons report, 27 percent of black people and 42 percent of black males are genetically registered, compared with 6 percent of white people.
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