This is the reason for one of the election lawsuits. It is being alleged that 130,000 ballots showed up at 4 AM at a voting precinct in Detroit, MI.
President Trump has cited the alleged dump of more than 130,000 ballots in Detroit early Wednesday morning that all went for Joe Biden as among the reasons to contest the vote count in Michigan.
The allegation is part of a Trump campaign lawsuit.
Here is more on what is being alleged: