They may have "evidence" they just probably haven't shared it with the public. When you figure out the enemy is spying on you then you generally don't release the details to the public since it might give away some of the sources or the methods...
I don't like the screen size. Right now I'm using a 10.5" iPad pro but it seems to lag. I have to close the app and open it at times to make it a little better. I believe it came out in 2017. on a side note: the local fishermen love my drone work...
The only time you're not allowed to fly from National Forest Lands is when they are "Designated Wilderness Areas". There are also times when TFRs are in place, or an area may be close due to nesting seasons.
Other than that, it's legal. Just...