Craigslist Killer's Ex-Fiance Still Supportive?

So apparently the woman who vehemently denied any possibility that her fiance could be the Craigslist killer, insisting that someone from the PD was looking for some quick cash by selling false info to the media, is now his ex-fiance. Even though she still completely believes in his innocence and supports him, "McAllister is not going to put her life on hold while the legal process plays itself out." Wait, she's still maintaining he's a good man and innocent, but she's not willing to wait until the legal process plays itself out? If she truly thought he was innocent, she would be making statements about the wedding merely being postponed, not cancelled, pending his acquittal since she knows he's innocent. After all, what's a year or so to wait for a wedding? And if she truly believed in his innocence, wouldn't she be there to support him when he most needs it? This girl clearly has changed her mind about his innocence (and who wouldn't, in light of the belongings of the victims being found in their apartment?), so why can't she just say it? Of course it's hard to admit you are wrong, especially after making such a scene in the national media, but really...