Someone else hit on it: Plagiarism, or other academic issue.
They are disgusting. They will find old boyfriends and claim she is crazy. Or guys who didn’t even know her to say that.
They’ll try to find something innocuous and make it a lie, like they are doing to Kavanaugh right now.
There are myriad other things they will try. All we know is they will try and they will be despicable.