This week four more officials were charged in the Flint, Michigan water crisis, bringing the total to charged to 13. But the story initially unfolded largely without national attention. State officials denied and dismissed claims that city water was poisoned with lead, even as evidence mounted from independent water researchers, a pediatrician, and a muckraker from a non-profit advocacy group. Curt Guyette is an investigative reporter for the ACLU of Michigan, he told Brooke how his reporting helped get the story out, and why it took so long for Flint to make headlines.

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