A Montana man who had been living with a teenager who disappeared from her home in Arizona years earlier was sentenced to decades in a prison for possession of child sex abuse material.

A man in Montana was detained and questioned by police as authorities try to piece together the mysterious disappearance and sudden reappearance of Alicia Navarro.

A major search for a 14-year-old girl who disappeared from the Phoenix area over three years ago came to a happy end when the young woman, now 18, reported to a police station in Montana, officials said Wednesday.