The move came after conflicts with Justice Department leaders, including disagreements over legal strategy in the midterm elections, people familiar with the matter said.
The Democrat, a retired Marine, defeated Representative Juan Ciscomani, a two-term Republican, in a highly competitive district in southeastern Arizona.
Investigators, using subpoenas and other law enforcement powers, are accelerating an inquiry that takes the Trump administration into the inner workings of the court.
Russia was linked to influence campaigns targeting Democrats that gained little traction, but the Kremlin may be more focused on France’s elections in the spring.
They won Senate races in North Carolina, South Carolina and Georgia, with a Mississippi race still too close to call. Their wins lifted down-ballot candidates too.
Scott Colom, a Democrat, ran a viral ad and courted Republicans at a Trump rally before winning virtually the same number of votes as Senator Cindy Hyde-Smith, a Republican.
In the days after Republicans suffered massive midterm election defeats, President Trump appeared unmoved. The New York Times’s White House correspondent Maggie Haberman explains how Trump’s public demeanor compares with what he has shared behind closed doors about voters’ frustration with some of his policies.
President Trump’s 250-foot arch project is expected to win approval on Thursday from a federal planning board. Court action and Democrats’ upcoming control of Congress could halt the plans.
Victories by moderates in competitive or Republican-leaning states and districts paved the way for large new Democratic majorities likely to be shaped by their priorities.
The conservative justice has told friends he does not plan to step down before the end of the court’s term, even as Democrats are set to seize the Senate in January.