Brandon Stahl reports:
Minnesota law enforcement agencies continue to keep the use of controversial cellphone tracking devices secret more than two years after the Legislature passed a bill demanding that warrants authorizing their use be made public.
That bill became state law after public outcry pushed lawmakers to require that police warrants seeking to use KingFish and StingRay devices be unsealed after 90 days, with few exceptions. The Legislature also required that targets of the warrants be notified after the need for the surveillance had ended.
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