Shortly After He Discovers A Hidden Room Beneath His Kitchen, He Finds Out That Someone Has Been Living In It

Tracking the Intruder’s Footprints

David walked over to his living room to see what the intruder had done when he was alone in the house. The couch was dirty, and the TV was on. Footprints covered his floor, making it easy to track where the intruder had walked. Luckily, he saw no footprints leading up the stairs.