Detroit is spending millions on gunshot detection tech – is it an effective tool in the fight against violent crime?

By Tian An Wong, Associate Professor of Mathematics, University of Michigan-Dearborn
Divya Ramjee, Assistant Professor, Rochester Institute of Technology

_Detroit Police Chief Todd Bettison says alerts from ShotSpotter, a gun detection technology, help officers respond quickly to shootings.

“Without it, I wouldn’t have the closure rate [of resolved crimes] that I have and a lot of families wouldn’t have the justice they deserve,” he said in March 2026, according to BridgeDetroit, a nonprofit news service.

_During a Detroit City Council committee meeting on May 18, 2026, police officials said ShotSpotter…

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