I bet there is more to the story at the foreclosure proceeding had already been initiated or completed.
And while I cannot not confirm or cite, I believe that in some states, foreclosing on a mobile home is much easier than foreclosing on a real house.
Perhaps, they were just making an attempt to repo the double wide.
Actually I don’t think it matters not to you any way. I think in your heart it would have been fine if they put a bullet behind the guys ear and maybe the wife as well and dumped them into the dumpster next to they belongings. They were behind in the mortgage so they were not only no longer citizens, they were no longer human and needed to be put done like some old dog.