"Can someone tell me if she is still eligible for a Federal retirement, if convicted? if not convicted?"
Don't know. Government employees are "relieved of their jobs" so rarely, this may be a precedent setting occasion.
She seems to be an appointee and would be under different rules than civil servants.
If the only thing this ol'gal did was pass on the "secret underground prison" story, since it was a total fabrication (taken right ouf "24"), all that will happen is she gets fired.
If there are other stories with a firmer foundation in reality she'll be prosecuted!