I think that the Spark would do very well in providing law enforcement valuable reconnaissance information when needed from otherwise difficult or dangerous situations. It is small and for the most part fairly silent from a distance. The only problem I see is the lights on the Spark would give it's presence away therefore they need to be suppressed somehow. Now if some larger drones could be equipped with teargas projectiles, that would be even more effective is certain situations I am sure. Interesting story. Thanks for sharing it.