Puppy in the very very slight chance someone was in the house, they could he harmed or dead before the cops could be called. I was at work right down the road. I couldn't live with that on my conscience
Then keep doing what you're doing. You're enabling her, and she's yanking your chain. Good luck with that.
In my opinion, the emotional harm that she's causing herself, causing YOU, and causing your family, is far greater than the 1 out of a thousand chance that there was someone in that house. More like 1 out of TWO.