What Happened to the Longs?

The intruders set multiple fires around the home before making their escape and being undetected by first respondes. The sheriff's office tells the news that there will be no searches for maggie as they aren't necessary. This should raise alarm bells for anyone seeing someone coming out of this property, cause there should be nothing in this property but the longs property. It took the first responses approximately an hour to put out these fires. And if connie is asking on face for volunteers to search for maggie, it means that the police haven't told the family that there isn't a need for a search or given them any explanation.