there might in fact be a missing girl but what I think is almost certain is that they are trying to condition citizens to the concept of a helicopter blaring down audible mass messages.
A related new concept is the phone Dear Leader Feature, in which Obama himself can bypass all other officials and phone text you directly.
it is possible that the permissibility of this feature is still being debated.
Helicopters like that have been common in California for as long as I can remember, going back to 1988 when we first lived out there. Have never seen them doing this in Texas, yet.....