ShotSpotter's microphones have already been used to record conversations (they claim this is unintentional). To be fair to them, these cases were arguments that

ShotSpotter's microphones have already been used to record conversations (they claim this is unintentional). To be fair to them, these cases were arguments that accompanied shootings, but it shows the potential for abuse. Amusingly/depressingly (from Wikipedia): > Remarking on these privacy concerns, in 2015 then-NYPD commissioner William Bratton said "the advocates have to get a life." Bratton had been on ShotSpotter's Board of Directors before then, and rejoined it in 2017.