US Marshals step in, thwart efforts to learn about cell tracking devices

How sensitive are local cops when it comes to disclosing information about stingrays, the fake cell phone towers used to track targeted phones? Apparently, they're sensitive enough to involve the United States Marshals Service with an ongoing case in Florida.

After being informed of a straightforward public records request to learn more about the Sarasota Police Department's use of stingrays, the US Marshals suddenly moved the stack of paper records hundreds of miles away. It's a move that will frustrate ongoing efforts by the American Civil Liberties Union (ALCU) to access the documents in question.