I searched google for "police acknowledgement mistake" and several variations. The closest I could find was people calling for the police to acknowledge their mistakes. I can't find the police doing it themselves.
The police don't acknowledge that these were mistake[1][2][3]. They think this is the system working. They act in bad faith and so please don't run around grant them good faith in arguments.
We want the systems that enable this brutality changed.
This is like saying "Facebook does some good things so let's ignore the systematic problems it causes" or "Facebook is staffed by people so we have to accept an amount of them stalking their exes with internal tools"
Google has an internal tool that pairs people for lunch for the same reason. It's fun to see what makes people excited on other teams or to run problems your team is facing by them.
"Now might be a good time to remind everyone that “distinctive phrases” and rare words (high TF-IDF) are not as good for stylometry as subtle differences like “and” vs “the” ratios. If you can easily notice it, someone can easily spoof it."
>>> 1/(2 * (1 - math.exp(-2)))
0.5782588213748329
Instead it should be
>>> 1/2 * (1 - math.exp(-2))
0.43233235838169365
Which handily appears in OEIS (a great resource for random constants and sequences) as http://oeis.org/A247847