She is an attention seeking shill. The Dems probably approached her a long time ago. Who knows, she could have been one of the “leakers” all along. She may have been talking with other staff like she loved President Trump in order for them to confide in her. And I guess they all fell for it.
It wouldn’t surprise me. Lots of Capitol Hill types have no loyalty to anyone but themselves. We used to call them Political Pro#$^$utes.