RatLabGuy
You look like a monkey and smell like one too
- Joined
- May 18, 2005
- Location
- Churchville, MD
Me thinks you do not understand how many gunshots go off daily in the city of Durham. I would not be surprised if someone told me there were more gunshots per day than 14
The systems covers a 3 mile radius. Thats really small, about 28 sq miles. And within that it is nowhere close to 100% coverage of the internal area, consider how much of that is filled with buildings, acoustically occluded, etc. Typical spatial coverage on these kinds of things is around 30% at best.14 shots is what one magazine? That is completely plausible amount let alone if it was 14 separate occasions.
Durham is over 115 sq miles, and thats only the official city limits.
So ideally we are talking about less than 8% of the space in the city limits. Extrapolated out that would mean the proposed rate is at least 175 shots a day, and thats if it doesn't miss a single one.
I have no idea if that's right or not... but neither do they, bc there is no known ground truth to actually confirm it against.
Now I'm sure they put it in the most crime-ridden areas so extrapolation isn't accurate, but that also begs the question of search and confirmation bias.
e.g.....
hmmmm"Some argued that ShotSpotter increases police activity in communities of color."
Maybe there's a correlation.
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