Gunshot detection system transforms and raises issues 
I think the assumption with this is that all gunshots would be crimes in process and over time and with more ubiquity that might not be the case leading to a less effective system.I would imagine that a criminal could use a system like this to do a DOS of police presence and/or send them on a wild goose chase so they can commit a crime in another area. In other words they get police to scramble to 5th and Main and they have another team to break into a place a few miles away with a non-gunshot crime.Also, as anyone who has experience with home or business alarm systems knows false alarms get to be a "boy who cried wolf" issue and you begin to not take them as seriously as you should.