The delay is likely due to counterterrosim teams and other intelligence agencies, digging deep into the manifest, and the male. It would appear that this male is just a mental patient, so likely not on any watch lists, which would cause some delay while those behind closed doors are trying to sort out who he is, not only that, any other connections he has on board. Not only that, digging into his past. Takes considerable time if he is not known. Have they missed an extremist who has gone un noticed, that becomes very problematic and concerning if true
You have a firm grip on reality
Poppa,
prior preparation prevents piss poor performance, known as the six P's in some areas.