RE:"Security Concerns"There are 5 states that have the same ranking as Guerrero - misleading language again.
https://travel.state.gov/content/travel/en/traveladvisories/traveladvisories/mexico-travel-advisory.html
Interestingly enough, the UK is viewed as dangerous as the Democratic Republic of Congo!
https://www.independent.co.uk/travel/news-and-advice/us-travel-advisory-ranking-uk-dangerous-congo-terrorism-threat-american-tourists-warning-trump-a8159556.html