 King flew down to Jacksonville, Florida after telling his mother that he was going to visit a friend that he had met while playing a video game, officials said. They don't know how King learned where the victim lives. Upon arrival, King took an Uber to a hotel about 35 miles north of Jacksonville, bought a hammer at a local hardware store. He then went to the victim's home, which was unlocked around 2 a.m. Lock your doors. First and foremost, lock your doors. Especially in Jacksonville.