IIRC I saw signs years ago in US airports in the name of a US Govt. agency (pre-TSA) that 'Psgr.s are warned that the airport of Lagos, Nigeria, does not maintain effective security measures.' So ineffective are the Nigerian airport cops that they could not be bothered to check the PXX manifest against our TSA's no-fly list!
Perhaps they were too busy dealing with the bank scammers who need Americans to help them launder imaginary $20--million bank accounts
!