family, turn into an indifferent parent after meeting him. >> i think that in the last two years, she has completely changed to a monster. it may be an understatement. >> so chad wrote 25 books including the doomsday series that focused on the end of time and times of turmoil, they are popular sellers in the church of latter-day saints bookstores. >> their focus is the end of the world and this idea that it's coming. >> that's why the police are worried about the state of these two kids, police say they have contacted a couple but they refuse to come in for an interview. >> mike: will be learning about the children? >> had these two children from previous relationships, 17-year-old daughter last seen in rexford idaho in september. had special needs and after relatives could not reach the