Dateline NBC: Season 2026, Episode 5

2026 - 5: The Professor & The Poet

When American University professor Sue Marcum is found murdered in her Maryland home, it appears to be a burglary gone wrong. But DNA from the scene tells a different story, pointing detectives toward someone she trusted. A years-long international hunt leads to a dramatic arrest and long-awaited justice. INTERVIEWS WITH: Sue's brother and his wife Alan and Barbara Marcum, FBI agents in Baltimore and Guadalajara, Prosecutors Debbie Feinstein and Ryan Wechsler, Defense Attorneys Meghan Brennan and Tatiana David, and others.