Countries issue US travel warnings.

[CitizenCain]

So far 3 foreign nations have told their citizens travel to America too hazardous.

Foreign countries are issuing warnings to their citizens about traveling to the United States after violence left 31 people dead in two mass shootings this weekend.

The Japanese Consul in Detroit published an alert Sunday that said Japanese citizens “should be aware of potential for gunfire” everywhere in the U.S., which they described as a “gun society,

https://www.usatoday.com/story/travel/news/2019/08/06/mass-shootings-force-foreign-countries-issue-us-travel-warnings/1930215001/

[Foxmeister]

Gun free zones are unsafe.  Bad guys don't pay attention to gun free zones.