Following Tuesday's near-five-hour hearing, we still don't know who ordered the unannounced access lane closures to the George Washington Bridge in September, or why the directive was given.

Christina Renna testifying
Kevin McArdle, Townsquare Media NJ
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We do know that Christina Renna, Gov. Chris Christie's former director of Intergovernmental Affairs, does not think Bridget Kelly -- Renna's former boss -- was the mastermind behind the plot.

"I wouldn't say she was the architect, but I would say she was instrumental in the process," Renna said. "I think that Bridget was not an architect, but I think that she was participating in whatever this was."

Seizing that perceived opening, Assemblyman Paul Moriarty (D-Turnersville) asked Renna if she thought former Port Authority official David Wildstein was the architect, or if she thought Kelly and Wildstein acted alone.

"I don't know," Renna answered to both questions. She said she has some theories about others involved, but would not divulge them publicly.

In her opening statement, also under oath, Renna said she did not have any involvement in or knowledge of the lane closures.

In January, Renna resigned from the IGA office after she was subpoenaed by the SCI. Kelly was fired as Christie's deputy chief of staff after the governor learned she sent the now-infamous "time for some traffic problems in Fort Lee" email.

The Bridgegate scandal has been dogging Christie for months, and some feel it is threatening any chance he may have of running for president in 2016. The governor launched an internal investigation, and the team of lawyers he hired produced a report that cleared Christie of any wrongdoing. That report is viewed by many with skepticism.

In September, access lanes to the George Washington Bridge in Fort Lee were closed without prior notice, snarling traffic for four days. Some Democrats believe this was done to punish Fort Lee's Democratic mayor for refusing to endorse Christie's re-election.

On the same day Kelly was fired, Christie cut ties with two-time campaign manager Bill Stepien, after Stepien's involvement in the scandal became clear.

In April, a judge ruled that Kelly and Stepien do not have turn over subpoenaed documents to the SCI. Both successfully argued that doing so would infringe on their Fifth Amendment rights against self-incrimination.

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