After Jon left his room to watch his newly transformed mother leave he had forgotten to shut his bedroom door. Which given with what had just happen with his mother that was not such good thing to do.
Not only did he leave the door open but the wand had rolled off the dresser and onto floor stopping in the middle of the room.
Not long after someone see's the door to his room is open. Going to the door that person looks inside and notices the wand on the floor. Curiosity getting the better of the person as to what it was went into pick it up. The person was?