Actually, I specifically addressed the violent crime thing...
As for the medical costs - if you want to be on the safe side, you can (actually you should) get travel health insurance.
As for the medical costs - if you want to be on the safe side, you can (actually you should) get travel health insurance.
Though you might need to get a US specific one. Mine contains a clause that specifically excludes the USA from coverage, and that’s not uncommon.
You have to read your insurance contract and info sheet properly rather than go for the lowest price.