Destroying equipment the USPS would use to handle the unusually large number of mail-in votes: https://www.cnn.com/2020/08/21/politics/usps-mail-sorting-ma...

All coinciding with a large, engineered, split in pandemic cautiousness about attending in-person voting stalls between the two main parties. There are more examples, gerrymandering is a decades-long one, but most of what I've read & heard about 2020 was about forcing people to wait in long lines or vote in person when that would favor one party over the other.