Senate Judiciary Chairman Lindsey Graham called for a Justice Department investigation into voting irregularities after receiving a sworn affidavit from a Pennsylvania postal worker alleging that postal supervisory officials hatched a plan to backdate ballots mailed after the election.
The Trump campaign launched a series of lawsuits in Pennsylvania, Michigan, Nevada, and Georgia alleging instances of voter irregularities and misconduct.
The legal claims were filed despite major news networks projecting that former Vice President Joe Biden won enough Electoral College votes on Saturday to win the presidency.