Well, ain't that a wet dream come true!
A FLIR Drone with the right mods is a lot cheaper to fly than a helicopter.
Lets you track perps through backyards and bushes by the dark of night without them even knowing you are 'up there'.
If you can check for fever, though, it has a thermal mode as well, which allows humans to be tracked at any temperature but 98-99 degrees, angains and even behind most materials not too hot to shield a heat signature.
It has great SAR potential to look for lost kids/people, onshore and off, within range.
But it also opens up a lot of potential for abuse.