This article contains stats that are pretty shocking and contrary to the overwhelming narrative coming out of the SF tech community. https://missionlocal.org/2023/04/bob-lee-killing-arrest-made... The murder rate in San Francisco is preposterously low.
Chicago deals with the same.
I feel pretty confident that some of this is astroturfing from people with political ideologies trying to score points on blue states, but it seems to be quite effective however it is accomplished. People can be quick to scare, and appeals to their sense of personal safety are quite powerful.