Unfortunately, I have no idea about the leanings of the local judges, or even which judge will be getting this case.
Surprisingly, the Nashua Telegraph, the local liberal rag, published an editorial in support of enforcing the US/Mexico border.
As of last Thursday, the Hudson PD reported receiving only positive comments, so it looks like the protestors are not Hudson residents, just the usual suspects from elsewhere.
Just drag a Birkenstock gift certificate thru any Massachusetts college campus, and voila! You have your protestors.