I doubt they can avoid hoovering people, protesters or not. Plus, even if they don't, other government groups may. I would recommend turning off your phone b

I doubt they can avoid hoovering people, protesters or not. Plus, even if they don't, other government groups may. I would recommend turning off your phone before heading to a protest. Well before, maybe leave it at home even, as turning off your phone nearby to a protest may be just as noticeable as having your phone there.