InSight Crime – Conquering one of the twin volcanoes that overlook the Valley of Mexico has been an attractive challenge since at least the Cortes expedition in 1519. But in this high-crime age of El Narco, there are dangers on the mountainside that have nothing to do with oxygen depletion, muscle fatigue or accidental falls.

http://www.insightcrime.org/news-analysis/on-mexico-volcano-living-with-crime-at-16-000-feet