i would stay out of it either the person u tell will some how get upset with you or the offender will, not a win win type of thing ..as my dear old mother would say(as long as it's not you dont worry about it )
You can go anywhere you want if you look serious and carry a
Clipboard.
Someone who steals is a lowlife, and I want nothing to do with them. So my friend will find out because I don't care what some thief thinks of me. If my friend got pissed because I was looking out for them then eff them too.