A Chicago grandfather was charged with murdering a man he gave a ride to on a night of protests over police brutality. Prosecutors said a secret algorithm, tied to a network of surveillance microphones, was key evidence to lock him up. @pulitzercenterhttp://apne.ws/dcOzfUY
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Firecracker? Gunshot? ShotSpotter says its technology is 100% reliable. First, sensors detect sounds, then an algorithm filters out most bangs. Finally, staff review and often change the computer’s findings. Experts warn that could introduce human bias. http://apne.ws/ynb9lIk pic.twitter.com/fsIVWFNAVt
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CEO Ralph Clark says having humans double check their technology is essential. And ShotSpotter evidence is increasingly being introduced in court cases around the U.S.; 91 cases since 2018. http://apne.ws/Z64L1rQ pic.twitter.com/j91kA37RIx
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Defense attorneys say ShotSpotter’s reports aren't scientifically solid and that accused people miss their constitutional right to confront all witnesses and evidence because ShotSpotter won’t reveal its algorithm. The company says it's a trade secret.http://apne.ws/lAhqPc0
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Did they verify their theory by... you know... checking for evidence of a gunshot inside the car? Like ACTUAL evidence!
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