Canada says “High”. we don’t have a functional mental health solution and it’s only gotten worse. And while we do have gun crime, it’s nowhere near the same as our southern neighbour because of our gun restrictions and we don’t Fetishize gun culture.
Mental health IS part of the problem. But the insane culture around owning firearms in the US directly leads to the prevalence of gun crime.
Also, being a treasonous front for Russian political interference didn’t help their cause
https://www.npr.org/2019/09/27/764879242/nra-was-foreign-asset-to-russia-ahead-of-2016-new-senate-report-reveals