NY for example had a map that was gerrymandered to benefit dems. Their SC struck it down and instead we ended up with a map that slightly benefits Republicans.
This is an example of something that happens across the country. Most deep red states are heavily gerrymandered. In contrast, almost every single state that uses an independent redistricting commission is blue. This means Dems are unable to play by the same gerrymandering tactics as Republicans
I think u/mrkeen might have been referring to phony criminal charges against a political opponent, for example. Or I dunno, hundreds of thousands of ballots dropping at 4AM in some central counting location they control with 100% being for their candidate.