http://www.youtube.com/watch?v=cGGlnHe3Rgc&t=2s&ab_channel=DonaldJTrump
Also, I don't have a link for this: But according to Trump's team, PA reported mailing out 1.5M ballots, but reported 2.3M mail-in ballots received. That would explain Trump's 700K vote lead disappearing.
I don't know what all proof Trump's lawyers have, but we may want to start asking questions about Pennsylvania.