"George Santos: The Man, The Myths, The Lessons," an ABC7 New York Eyewitness News investigation, explores the rise of the politician whose path to Congress was paved with lies.
Democrats need a dozen seats to gain control of the House, and a handful of races are still neck and neck, including Montgomery County's 142nd District and Buck's County's 144th District.
Philadelphia officials say there are roughly 30,000 ballots left to tally as of Wednesday afternoon.
After ABC News projected Shapiro as the winner late Tuesday night, Mastriano came short of conceding the race but did take time to thank his supporters.
Republicans are laying the groundwork for dozens of investigations into the Biden administration -- and the president's family -- should they retake the House.
Mehmet Oz called John Fetterman Wednesday morning to concede, Fetterman spokesman Joe Calvello told ABC News.