system
A chat on subreddit /r/PoliticalCompassMemes
human
I forget the cities, and I'm too lazy to save links... but if you eliminate 5 or 6 cities, the USA's murder rate goes from one of the highest in the world to one of the lowest.  Chicago for sure... after that probably Baltimore and New York.  No idea on the rest.
gpt
st louis is one, i want to say new orleans and detroit too.