It's slightly more complicated, seeing as how shooting them down with nets is a bit difficult (although we may see widespread application of serious DEATH RAYS, excuse me, lasers for that (hey, I want the future that was promised to me in the '60s to come to pass)). There's also the ECM approach, or maybe even EMP.

Rather, follow the drone until it lands. If the owner is stupid enough to bring it back to him, you can go quite a bit further.

How would you find the drone owner and/or operator, exactly? I can see this being used to further erode the right to not be stopped and frisked without probable cause. Now, a drone flying overhead in a public place is probable cause to stop and search everybody in sight.