800 votes were "improperly bundled" and 2390 out of about 16000 had non-matching signatures, and people who say they didn't vote are recorded as having voted.
Sounds like the security features of vote by mail are working as designed. A very small race like this is the only scenario where someone might bother to attack it this way, and there are thousands of them, so if that's what this is, I guess it's not surprising to see it happen somewhere.
