That is maddening. I feel for you. Legally, I'm not sure you can do much unless you have proof that it is this particular person.

She sounds unstable. I feel for the daycare families and children she is serving. Like the others suggested, could you not remove the comments section?

I hope Karma bites her hard. But, seeing as she's lost obviously missing some marbles and is obviously a spiteful, hurtful individual...it obviously has!