"Kevin" was definitely prepared when the burglars finally entered his house. He was able to set up multiple traps, that where in and of themselves quite brilliant. After the two burglars realized that "Kevin" was behind all their pain and suffering, they decided to attempt to kidnap him instead of robbing his family´s house. At some point, both "Harry" and "Marv" got their hands on the young protagonist and were ready to make their move. Luckily "Kevin´s" neighbor "Marley" saves the day knocking the two unconscious.