I'm curious if they walked home from the food truck with their pasta. While 1.2 miles in general is not that far of a walk, it was very late, they seemed to be somewhat intoxicated, they also had hot food that would grow cold by the time they got home. It would be odd to me that they would walk but who knows? If they DID walk, I think that could definitely have put them in someone's cross hairs who may have seen them, followed from a distance or even in a car, and then waited until the lights were out to enter the home.