https://en.m.wikipedia.org/wiki/Conspiracy_theory
> A conspiracy theory is an explanation for an event or situation that asserts the existence of a conspiracy (generally by powerful sinister groups, often political in motivation),[3][4][5] when other explanations are more probable.
Evidently, different people assign different probability to security chief thinking “while real bombings are actually exploding each week and whole cities sleep outside to avoid death, let’s plant a fake bomb and see what happens”