ShotSpotter directs Chicago cops to quadruple shooting, charges filed

CHICAGO — A mass shooting outside a South Side grocery store on Monday left two bystanders dead, but the intended victim and the man who allegedly shot him both survived, prosecutors said Thursday.

And CWBChicago has learned the shooting provides a good example of how the city’s ShotSpotter gunfire detection system helps get first responders to shooting scenes quickly. We’ll share Chicago police radio activity with you in a minute so you can hear it yourself.

Prosecutors said video footage showed a group of men hanging out in front of the 71st Candy Warehouse, 7125 South State, on Monday evening. Trivell Pruitt, 53, and a 30-year-old man spoke on and off as others were “milling around on the sidewalk,” a proffer provided by the Cook County state’s attorney’s office said.

After about 20 minutes, Pruitt walked off-camera, then returned about five minutes later, around 5:41 p.m. The 30-year-old man he had been speaking with walked directly toward Pruitt, who pulled out a gun and started shooting directly at the other man, according to the proffer.

Simon Brown, a 59-year-old man who had been sitting on a fire hydrant the entire time, was struck in the head by one of the bullets Pruitt intended for the other man, prosecutors said. Brown slumped off the hydrant and later died.

Trivell Pruitt in 2019 (Chicago Police Department, Google)

The intended target suffered gunshot wounds to his knee and wrist. He survived but was initially listed in critical condition.

Upon hearing the gunfire, a man seated inside a nearby parked car pulled out a gun and fired shots at Pruitt, prosecutors said. A bullet he fired missed Pruitt and struck a 47-year-old man who was standing nearby, prosecutors said. He also died.

The other gunman got out of the parked car and fired more shots at Pruitt as Pruitt ran from the scene, officials said.

Chicago police officers found Pruitt collapsed on the floor of a Subway restaurant in the 7100 block of South Wabash. He had several gunshot wounds and, according to prosecutors, a loaded handgun in his pocket.

That gun ejected 22 shell casings that investigators found at the shooting scene, the proffer said.

Pruitt admitted that he shot the 30-year-old man, but he claimed that the other man shot at him first, according to prosecutors. But, the proffer said, his self-defense claim is “contradicted by the surveillance video.”

Judge Charles Beach detained Pruitt on charges of first-degree murder and attempted first-degree murder.

ShotSpotter alert

Chicago police radio traffic from the night of the shooting shows that ShotSpotter technology allowed CPD to pinpoint the exact address of the gunfire quickly. In fact, the audio shows that, because ShotSpotter provided the shooting address, officers arrived at the scene about the same time dispatchers received the first 911 call about the crime.

At about 5:41 p.m., a police officer posted near 65th and State streets got on the radio to announce that he had just heard “loud reports” in the area. About 45 seconds later, the same officer has an update: Their ShotSpotter app pinged the gunfire to 7113 South State, almost a mile away. 

Moments later, the police district’s intelligence center confirms the ShotSpotter address. Pulling up a camera feed, they confirm that someone may be shot because they see someone holding another person up at the scene.

At that point, the 911 calls started to come in.

Here’s how it sounded.

Source: Broadcastify

The medical examiner’s office lists 7119 South State and 7125 South State as the addresses where the two victims died.

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CWBChicago was created in 2013 by five residents of Wrigleyville and Boystown who had grown disheartened with inaccurate information that was being provided at local Community Policing (CAPS) meetings. Our coverage area has expanded since then to cover Lincoln Park, River North, The Loop, Uptown, and other North Side Areas. But our mission remains unchanged: To provide original public safety reporting with better context and greater detail than mainstream media outlets. Our editorial email address is