The killings of the Australian brothers Callum and Jake Robinson and their American friend, Jack Carter Rhoad, have highlighted the shifting and uncertain fault lines of risk in Mexico, which is simultaneously a major tourism destination and a country with hotspots of extraordinary violence.
The trio, who in April went missing in the Pacific coast state of Baja California while on a surfing trip, were later found dead, each killed by a gunshot to the head. Mexican authorities believe that they were attacked by people who wanted to steal their car tyres and were killed upon resisting.
