They're listening for gunshots. Since 2019, Columbus has used ShotSpotter, a gunshot detection system sold by SoundThinking, a public safety technology company based in California, to alert police to ...

ShotSpotter is used by law enforcement agencies to detect and locate gunfire, but its effectiveness and cost have been questioned. The debate over ShotSpotter's effectiveness and value continues ...

There are hundreds of hidden microphones throughout parts of Columbus. They vary by appearance and are attached on the sides of light poles, the tops of buildings, and at major street intersections.