Transcript for Chris Christie 'Bridgegate' Scandal

And now, to the growing fallout for new jersey governor chris christie. Tonight, new details on how much his aides new about that massive traffic jam on the that the plot could put drivers at risk. Abc's gio benitez. Reporter: Tonight, new documents show officials loyal to governor chris christie that the traffic jam was possibly life-threatening. And one of the key architects of the jam, christie's port authority appointee, david wildstein, went to the bridge himself to witness the standstill on the first day. Christie's aides have said, the four-day jam on the world's busiest bridge was part of a traffic study. But it appears it was political payback, after ft. Lee, new jersey's, democratic mayor, would not support christie's 2013 re-election. Christie aide, bridget anne kelly, writing in an e-mail, time for some traffic problems in ft. Lee. Wildstein replying, got it. Christie apologized thursday, denying any involvement. That should have been a ringing phrase that he blames himself. Rather than playing the victim that his people betrayed him. Reporter: Christie openly mocked the jam in december with reporters. I worked the cones, actually. Reporter: The documents also show that those close to christie went out of their way to make the traffic jam look like a traffic study. They even made a powerpoint presentation. But tonight, david, there is no evidence directly linking christie to that traffic jam. All right, gio benitez in the

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