Missing Idaho Kids' Brother, Cousin Speak Out About Lori Vallow Daybell

Colby Ryan, the oldest son of Lori Vallow Daybell, is speaking out about his missing siblings, JJ and Tylee, in a new Dateline NBC special, "What Happened to the Children?" Lori's niece, Melanie Pawlowski, and her new husband, Ian, are also interviewed about the case and what they know about Lori's alleged religious beliefs. Joshua "JJ" Vallow and Tylee Ryan have been missing since September, and Lori remains in an Idaho jail on $1 million bond ahead of her preliminary hearing.