Inside the Alex Murdaugh Murder Case: Lead Investigators Reveal Insights

Lead investigators from the South Carolina Law Enforcement Division (SLED) share insights into the Alex Murdaugh murder case in an exclusive interview with Dateline NBC. Special Agent Britt Dove recalls the moment he heard Alex Murdaugh's voice on a video found on the victim's cell phone, which provided crucial evidence for his murder conviction. SLED Special Agent David Owen reveals that Alex thanked him for "doing" his job after being accused of killing his wife and son. The interviews are part of a two-hour Dateline special, "The Murdaugh Murders: Inside the Investigation," airing on Friday. Murdaugh has appealed his conviction and requested a new trial based on allegations of jury tampering.