Aired 2026-04-10 · 120 min
Robert Doerr was a 28-year veteran of the Evansville Fire Department in Indiana. One evening, after returning home from a 12-hour shift, he was shot in his driveway. Police were baffled until a slip of paper hidden inside a condolence card was discovered. The investigation became a family drama, leading a son to turn against his father. Now, in an all-new "20/20," ABC News correspondent John Quiñones reports on what authorities say was a twisted murder plot driven by greed, sex and allegations of an illicit affair. Exclusive interviews with the family and witnesses, along with the body camera...