Assuming these people did add UAV monitoring (a leap), and assuming a UAV was dispatched to every report of gunfire (another leap), it doesn't matter if the ass

Assuming these people did add UAV monitoring (a leap), and assuming a UAV was dispatched to every report of gunfire (another leap), it doesn't matter if the assailants shoot it down because they already know where the gunshot was and, with a decent response time (another leap), officers can be there in minutes.