Criminal justice systems in a number of countries are expanding advanced DNA databases to keep track not only of convicted criminals, but also of people only accused of crimes. But Britain announced today that it plans to scale back its national DNA database. This move follows a ruling by the European Court of Human Rights last year criticizing Britain’s practice of keeping on file the DNA anyone who’d been arrested, even if they weren’t charged with a crime. For more we turn to Naomi Grimley, the BBC's political affairs correspondent.
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