I echo much of what B2N2 says.
I once walked through (a safe) part of Cape Town by myself to meet the crew somewhere. I took all the usual precautions, no wallet, no phone, no watch, dressed scruffy etc. It was during the afternoon and it was fine, but what amused me was that I walked past a small hut in a square where a policeman could shelter. FOUR policemen were sitting, crammed inside this tiny hut ! I thought, gee, thanks guys, you are supposed to be out patrolling the streets, keeping us all safe and yet here you all are, hiding in the police hut !
A ramp agent in Mexico, I think it was, tried to get a bribe out of us once saying he needed to collect our air traffic fees that our company had not paid, so he couldn't release our passengers to board. It sounded plausible to me, but luckily my Captain was no fool and very experienced, (hi Bob). I checked with ATC to see if they had our clearance which we were given, so we sussed the agent out and sent him packing.