The State Department's Cambodia travel advisory flags crime, unrest and unexploded ordnance, with some border areas elevated to Level 4 warnings.
https://www.foxnews.com/travel/do-not-physically-resist-us-issues-chilling-robbery-warning-americans-overseas
https://www.foxnews.com/travel/do-not-physically-resist-us-issues-chilling-robbery-warning-americans-overseas