Track 84 Aircrafts the FBI Uses for Surveillance

Interesting. I'd like to see someone grab all this data and then do some analysis and come up with a list of addresses that may be under surveillance.

You could probably even come up with probability data per address, based on how likely it is to be at the exact center of however-many flight paths.

Here's an example of an especially regular flight: http://www.flightradar24.com/data/airplanes/N539MY#667fc34

It looks like they followed someone from one of those neighborhoods over to that big circled-in area just south of the Pentagon. You can even tell that whatever they followed was probably driving on I-395.