It's one data point in a pretty large body of evidence; the FBI thinks they're infiltrating law enforcement in a widespread fashion.
A fascinating study from Stanford looked at police traffic stops nationally around the daylight savings switch (as a natural experimental control) and found pretty hard evidence cops treat black drivers very differently during the day (i.e. when they can see their skin color).
alt Hacker News
It's one data point in a pretty large body of evidence; the FBI thinks they're infiltrating law enforcement in a widespread fashion.
A fascinating study from Stanford looked at police traffic stops nationally around the daylight savings switch (as a natural experimental control) and found pretty hard evidence cops treat black drivers very differently during the day (i.e. when they can see their skin color).
https://news.stanford.edu/stories/2020/05/veil-darkness-redu...
Additional aspect of this: "you're a white supremacist" is almost certainly a First Amendment protected statement of opinion that can't be defamatory.