48 Hours: Season 17, Episode 17

17 - 17: Postmarked for Murder

Texas multimillionaire Herb Vest is searching for who killed his father almost 60 years ago. Twenty-five-year-old Harold "Buddy" Vest was found hanging in his cabinet shop in June 1946 in the small town of Gainesville, Texas, and although the police ruled his death a suicide at the time, Herb always thought there was more to it. Now, he has launched his own investigation - hiring a team of experts to search for the truth. Vest receives a mysterious letter that claims that someone who was on the Gainesville police force was responsible for Buddy's death. Will Vest find his father's supposed killer?