Ep 1. Mark Riebe

Serial Killer with Piers Morgan is a gripping true crime series that follows renowned British journalist Piers Morgan as he delves into the minds of some of the most notorious serial killers in the United States. In season 1, episode 1, Piers interviews convicted murderer Mark Riebe, who was sentenced to life in prison for the kidnapping and murder of 13-year-old Donna Callahan in 1989.

The episode opens with Piers arriving at Florida State Prison, where Riebe has been serving his sentence for over two decades. Riebe, who is now 60 years old, is introduced as a soft-spoken man with a calm demeanor, but as Piers begins to question him about his crimes, it becomes clear that he is capable of extreme violence and deception.

Piers wastes no time in getting to the heart of the matter, asking Riebe about the night that Donna Callahan was abducted from her home. Riebe initially denies any involvement, claiming that he only learned of the crime through news reports. However, as Piers pushes him for more details, Riebe's story begins to unravel. He admits that he was driving near Donna's house that evening, but insists that he did not see her or anyone else in the area.

Piers is relentless in his questioning, using his years of experience as an interviewer and journalist to pry out details that Riebe would rather keep hidden. He asks Riebe about his past, exploring the psychological factors that may have led him to become a killer. Riebe, who has a history of addiction and mental illness, is initially resistant to discussing his personal life, but eventually opens up to Piers about his troubled childhood and traumatic experiences.

As the interview progresses, the tension between Piers and Riebe mounts, with the killer becoming more and more defensive and volatile. Piers, undeterred, continues to probe for information, even when it becomes clear that Riebe is becoming agitated and aggressive.

The episode culminates in a shocking confession, as Riebe finally admits to the murder of Donna Callahan, claiming that he acted alone and that no one else was involved in the crime. Piers is visibly shaken by Riebe's admission, and the impact of the confession reverberates throughout the rest of the episode.

Overall, season 1, episode 1 of Serial Killer with Piers Morgan is a gripping and chilling exploration of the mind of a convicted killer. Through Piers Morgan's skilled interviewing and relentless questioning, viewers are given a rare glimpse into the psyche of one of America's most notorious murderers.