No,you're not being paranoid. Sadly,I'm North of you and I can't prove it but I *think* I know where some of the little ones who suddenly appear are coming from-and I'm fairly sure that they weren't purchased or adopted.
I have Chi's now and I don't give a flip if anyone thinks I'm being a rude b***h they WILL NOT put their hands on my babies.
My daughter saw me typing this and said that one of their clients was stolen out of the car in the owners driveway. Prayers for this little one and the owners,it's a Yorkie.