In this passage, Elin tells Mona about a water crisis that was already covered up in the past—so successfully, in fact, that most people were never even aware that it happened. Clearly rattled by the effects of the covered-up crisis, Elin wanted to make sure that Mona was going to be able to secure the proof needed to combat this new one. Even though the truth had lost out before, it didn’t have to in Flint.