"Essentially, the librarians are my suspects," the Texas police officer tells a school superintendent in the body camera footage . "If they are the ones that are choosing the books and putting them in there, you know, they're the ones carrying the criminal liability."

The Hood County constable was in the middle of a nearly two-year investigation of several school librarians for distributing allegedly obscene books. Local news outlet KXAS obtained the body camera footage and the nearly 800-page case file of the officer's investigation last year, which concluded after the district attorney declined to file the charges that the constable had taken the liberty of drafting up.

No librarian has been arrested in such a case yet, in Texas or elsewhere, but the incident illustrated a larger trend

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