The indication is that early vote results, both early voting and early in the day of in-person voting, the numbers seemed appropriate for how Republican that precinct leaned. As time went on and Trump was leading by a much greater amount than expected, it appears that some kind of algorithm kicked in to add votes to Biden and subtract votes from Trump. It will be so helpful If this can be computed exactly.
It may be an example. However, yesterday she said roughly the same numbers. Then she said something like “we know the numbers”.
Initially, they probably thought this would be enough to tip the scales without much or any notice. Turns out Trump broke the algorithm and they had to resort to shutting down the votes & do a dump & resort to other means of fraud.