Son testifies against father in Hawaii. A pastor accused of cyberstalking wife. Plus, Hailey's Law.

Hawaii anesthesiologist Gerhardt Konig stands trial for allegedly attempting to murder his wife on a hike. His son is taking the stand against him. In South Carolina, a pastor pleads not guilty to charges of cyberstalking, abusing his wife, and lying to investigators about it. In Dateline Round Up, alleged Gilgo Beach killer Rex Heuermann expected to plead guilty. Plus, an interview with Beau Buzbee, father of 17-year-old Hailey Buzbee who died after meeting a stranger online. This episode discusses suicide.