It's a mystery that has America absolutely baffled. An Idaho teenager and her younger brother with special needs vanish and have not been seen by anyone in almost four months. Their mother, Lori Vallow, appears completely unbothered by the fact that her two children are just gone, and is in Hawaii seemingly carefree with her fifth and newest husband, Chad Daybell, who reportedly has extreme religious beliefs. Adding to the mystery, four untimely deaths surround Lori and Chad, yet she still refuses to say a single word about her children's whereabouts. How could these children just go missing for months without a trace? Where are they? Today, family members of Lori Vallow speak to Dr. Phil to try and shine a light on this unbelievable situation.