
This episode covers the mysterious deaths of Mario Amato and Chief JB Hamby, the escape of David Gordon Smith, and the unsolved case of Edward Gerald Baker.
The episode begins with the story of Mario Amato, who died in a Mexican jail shortly after being arrested. His brother, Joe Amato, believes Mario was murdered and has sought justice, prompting involvement from U.S. officials.
Next, the focus shifts to Chief JB Hamby, who was killed during a robbery attempt in Catoosa, Oklahoma. The episode details the events leading to his death and the subsequent conviction of David Gordon Smith, the robber responsible.
David Gordon Smith's escape from prison is highlighted, detailing how he managed to flee and the efforts made to recapture him. His eventual arrest in South Dakota is also discussed.
The episode concludes with the mysterious death of Edward Gerald Baker, a Texas oil millionaire. The circumstances surrounding his death, including speculation of suicide or murder, are examined.
Mario Amato's suspicious death in Mexico, Chief Hamby's murder, and David Gordon Smith's prison escape are explored in this episode.

This episode stands out for the following:
They stole his life away from him.Unsolved Mysteries with Robert Stack - Season 5, Episode 4 - Full Episode
The truth will come out.Unsolved Mysteries with Robert Stack - Season 5, Episode 4 - Full Episode
I was really kind of shocked because he was real pale.Unsolved Mysteries with Robert Stack - Season 5, Episode 4 - Full Episode
This is your day to die.Unsolved Mysteries with Robert Stack - Season 5, Episode 4 - Full Episode
If you're reading this letter it means that I am dead.Unsolved Mysteries with Robert Stack - Season 5, Episode 4 - Full Episode
The fate of Ed Baker has become something of a myth in parts of Texas.Unsolved Mysteries with Robert Stack - Season 5, Episode 4 - Full Episode