They're back. With a vengeance. Well, maybe not a vengeance, because I don't think possums are really all that vengeful, what with the playing possum and all. I mean, how can you wreak vengeance on someone when you're busy passing out every time things get too intense?
However, if you define 'vengeance' as hanging out in the attic knocking stuff over and pooping indiscriminately, then yeah - they're back with a vengeance.