I had a little bit of a google for shotspotter effectiveness info. It seems like it has a false positive problem (which you allude to) and a response time prob

I had a little bit of a google for shotspotter effectiveness info. It seems like it has a false positive problem (which you allude to) and a response time problem. The first problem seems almost irrelevant if the response cost is low (because you have drones), the latter problem may be more of an issue. Recent drones can get 45 mph, so depending on what kind of range you expect snipers to have, it's probably possible to have a ring of them around the area such that their 2 min range only just overlaps and be able to cover ~3-4 miles around an installation. Is 2 minutes too slow of a response time for these facilities? I don't know. Rural areas will be much easier to secure than urban areas though.