
This episode covers the mysterious deaths of Army Staff Sergeant Billy Ray Hargrove and Sergeant Mike Carmichael, police corruption in Miami, and the search for Charles Horvath.
Billy Ray Hargrove was found dead in February 1992, hanging in his backyard, just weeks before his best friend Mike Carmichael was also discovered dead in a barracks. Both deaths were ruled suicides by the military, but family members suspect foul play. The episode features interviews with family members who believe the Army's conclusions are incorrect.
The second segment discusses police corruption in Miami during the 1980s, focusing on officer Armando Garcia, who was involved in drug trafficking and violence. The investigation led to the arrest of Garcia and several other officers, revealing a larger issue of corruption within the police department.
The final story follows Denise Horvath's search for her son Charles, who disappeared in Canada in 1989. Despite receiving anonymous letters claiming to know his fate, investigations yielded no concrete answers, leaving his mother in anguish.
Throughout the episode, the theme of unresolved mysteries and the quest for truth is prevalent, highlighting the impact of these cases on families and communities.
The episode investigates the suspicious deaths of two soldiers, police corruption in Miami, and a mother's search for her missing son.

This episode stands out for the following:
I think it was fate that brought April and I together.Unsolved Mysteries with Robert Stack - Season 6, Episode 12 - Full Episode
It was overwhelming, joyous, happy, a whole bunch of emotions all wrapped up in one.Unsolved Mysteries with Robert Stack - Season 6, Episode 12 - Full Episode
Mike didn't have nothing to die for no more than Billy had to die for.Unsolved Mysteries with Robert Stack - Season 6, Episode 12 - Full Episode
I just could not believe it and I still don’t believe it.Unsolved Mysteries with Robert Stack - Season 6, Episode 12 - Full Episode
If anything were to happen to him, Oscar should immediately obtain possession of the box.Unsolved Mysteries with Robert Stack - Season 6, Episode 12 - Full Episode
I just couldn’t believe that he was dead.Unsolved Mysteries with Robert Stack - Season 6, Episode 12 - Full Episode