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I'm curious if the police used wiretapping data from the NSA program and/or if FBI national security letters were involved. Specifically, many states have used federal funds to set up anti-terrorism programs that entail spying, one presumes given the past history at the federal level with anti-terrorism including warrant-less spying.
My guess is that, at the least, the police are making full copies of all hard drives, papers, and so on.