Ben uncovers the truth about Natalie's whereabouts two nightsbefore Tom died when she supposedly was babysitting the youngboy, leading Ben to confront his neighbors, Dr. and VanessaRichardson. After learning about the strange circumstancessurrounding the death of their son, a suspicious Ben isconvinced that they possibly were involved in Tom's death.Additionally, there are other shocking revelations that cometo light about the seemingly well-intentioned couple that leadto a stunning outcome. In other developments in theinvestigation, Cornell confirms the murder weapon and thensprings another bombshell on Ben, who still can't recall hisactions the night Tom died.