In this episode of Dateline NBC, titled "Talking Dateline: The Room Downstairs," hosts Josh Mankiewicz and Andrea Canning discuss the tragic case of Robert Cantor, found shot in his New Jersey home before a fire in 2011. The investigation spots Tony Tung as the primary suspect, driven by a love triangle and jealousy motive. However, the case faced challenges due to circumstantial evidence and limited technology at the time. Canning shares insights from interviews with Cantor's friends, shedding light on the complex relationships and misunderstandings that ultimately led to the tragedy.