The moves have their roots in Republican complaints about drop box security and past election funding from a group linked to Facebook.
Those hearings have the blessing of Republican Senate President Jake Corman, who has faced pressure from hardline conservatives to look into the 2020 election.
State Sen. David Argall said he did not know why his constituents were so distrusting of the results, as former President Donald Trump and allies continue to falsely claim the election was stolen.
By Sarah Anne Hughes/Spotlight PA and Marie Albiges for Spotlight PA 