News Nation brings the special show, 'Khalnayak', that narrates horrific stories of crimes. These cases can play a big role to spread awareness against the crime. In today’s episode, we throw light on heinous crime by an engineer. A highly educated chemical engineer became a murder in Gurugram. Dr. Prakash Singh brutally killed his wife, daughter and son. After killing them, he committed suicide. Watch the show to know, why he killed his family.