Hanford officials hid leak evidence from advisory panel

Hanford officials hid leak evidence from advisory panel »Play Video
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HANFORD, Wash. -- The leaking double-shell isn't the only one managed by WRPS. It's in charge of all 177 tanks out at the area.

So who knew what about the leaking tank - and when? Susannah Frame exposes how the truth about the tank was hidden from the Hanford advisory board.