Bridget Anne Kelly was Gov. Chris Christie's deputy chief of staff for legislative and intergovernmental affairs. Her Aug. 13 email saying "time for some traffic problems in Fort Lee" buttressed allegations that September lane closures on George Washington Bridge approaches were politically motivated. Christie fired Kelly, who has worked for him since 2010, on Thursday.

David Wildstein, a Christie appointee to the Port Authority of New York and New Jersey, received the Kelly email and responded: "Got it." Wildstein resigned last month and invoked the Fifth Amendment Thursday when questioned by a legislative committee in Trenton.

Bill Stepien managed Christie's campaigns for governor in 2009 and 2013. Christie said the electronic messages showed him displaying "callous indifference" over the impact of the traffic scheme. Christie ordered Stepien to end his bid to become state GOP chairman and his consultant contract with the Republican Governors Association.

Bill Baroni was Christie's appointee as deputy director of the Port Authority. He resigned last month. Baroni told New Jersey lawmakers that the lane closures were part of a traffic study.

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Patrick Foye, appointed by New York Gov. Andrew M. Cuomo as executive director of the Port Authority in 2011, testified he was unaware of a traffic study. He ordered the lane closures stopped after days of massive traffic jams.

Fort Lee Mayor Mark Sokolich, a Democrat, was supposedly the political target of the traffic tie-ups because he had declined to endorse Christie in his re-election campaign for governor.