The idea is to focus law enforcement resources on the people and places officers believe are driving crime. MNPD is asking for $800,000 for ShotSpotter, split over the next two fiscal years. ShotSpotter promotes itself as a tool for a philosophy called “precision policing.” Chief John Drake has made it one of three pillars of the Metro Nashville Police Department. He says they receive a “host of intelligence about the event, such as how many rounds of fire, was there more than one shooter, high-capacity gun, full-automatic, a satellite view of the situation.” Then, Teachman says, officers get pinged with information about the incident right on their cellphone or computer. If they think there was a shooting, they alert police. Then, when the sensors pick up a loud noise, ShotSpotter employees study the sound wave to see if it seems to be gunfire.
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Police departments pay ShotSpotter to install sensors in neighborhoods where they believe shootings are likely to happen. (The sensors do not pick up indoor gunshots.)
One advertisement says the technology “has been proven to identify and locate virtually all gunshots in less than 60 seconds.” ShotSpotter also tells law enforcement that it detects outdoor gunshots with a 97% accuracy rate. The company makes big promises in its promotional videos. “We try to change the narrative from the police aren’t there, well, now to the police are there, because they care,” he says. Even if there’s no 911 call, officers and paramedics can come to gather evidence, talk to witnesses and render aid if someone has been hit. He says ShotSpotter is meant to alert officers to all the shootings that aren’t reported.
Teachman brought ShotSpotter to both cities before joining the company as a spokesperson in 2015.
And if you don’t see it, you might attribute that to deliberate indifference,” says Ron Teachman, former chief of the South Bend, Ind., and New Bedford, Mass., police departments. “If you’re living in a neighborhood and you’re awakened by gunfire, you look out your window, you expect to see a response. That’s where the company ShotSpotter comes in. Often when someone fires a gun, no one calls 911. The goal is to get police to the scene of a shooting sooner.īut evidence of the tool’s effectiveness is mixed. Nashville’s police department has requested nearly $1 million for technology that alerts officers when a gun is fired.
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