Question?

In trying to solve this with the rest of you, I watched the promo for next week several times. It says,"the truth will uncover an even bigger lie."  Its leading you to think of Tyger Tyger. But Tyger Tyger is already uncovered (at least partially). And technically, it is not a lie. An extremely corrupt organization, yes. But a lie? I don't think so. 

So any ideas on the lie that will be "uncovered"?