Big part of the debate is likely to be the purchase of ShotSpotter technology — a bunch of microphones that listen and are supposed to alert police when there’s gunfire. Per Forbes, there is reason to be skeptical about how well this works. https://www.forbes.com/sites/mattdrange/2016/11/17/shotspotter-alerts-police-to-lots-of-gunfire-but-produces-few-tangible-results/#732b94f9229e