A google search says in 2019 there were 41 murders in sf and 99 in brooklyn. though idk where to find crime by neighborhood. seems pretty equal when you account for population
2019 Kings county - Aggravated Assault - 9,221
2019 SF - Aggravated Assault - 2,514
https://www.criminaljustice.ny.gov/crimnet/ojsa/indexcrimes/...
https://sfgov.org/scorecards//public-safety/violent-crime-ra...