automatic. all within the last 24 hours. nine rounds, ten rounds, 18 rounds, 27 rounds. tom, that s like tuesday, tuesday in america we re having this? you should come here on the weekend. reporter: this is shot spotter, it locates gunfire for police by listening to a network of microphones across american cities. and more and more those microphones are picking up automatic fire. the rate of fire, the number of rounds being fired in only a few seconds is very serious. innocent bystanders are being hit by rounds that weren t intended for them. reporter: since 2019, the incidents of automatic gunfire picked up by shot spotter have increased from roughly 400 to 5,600 just last year. just spend a few moments at kaylan parker s monitoring station and you can hear the havoc. so all of these ones i m showing you here are full, automatic incidents starting from the least of three rounds going up to 30 rounds.
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