I think you have one scary neighbor.

Is is possible to bring her a apple pie,
and re-assure her that it must have been
someone elses dogs, because yours have
been locked inside your house while you
were away from work. Or is she crazy enough
to say you attacked her?
I would be as nice as honey with this lady.
And see what she has to say.
She sounds like one crazy woman and I would
keep the note as evidence too.

If possible how about setting up a hidden
camera overlooking your property.