Dexter's Dark Influence: TV Show Linked to at Least Seven Murders

The acclaimed television series "Dexter," which centers on a vigilante serial killer who meticulously covers his tracks, has been linked to at least seven murders and several other violent crimes, according to criminologists. The show, which first aired 20 years ago, follows Dexter Morgan, a blood-spatter analyst for the Miami Metro Police Department by day and a killer of other murderers by night.

Behavioral criminologist Alex Iszatt warns that the series may be inadvertently providing a "how-to script" for individuals with violent tendencies. "Dexter gives them a ritual," Iszatt explained. "They can fully become him: follow the same code and principles, wear the same clothes, and use the same methods of killing and disposing of bodies. Dexter provides a usable identity." The show's premise, featuring a character who operates under a strict moral code to kill only those who have evaded justice, coupled with his sophisticated methods of avoiding detection, appears to resonate with a disturbed minority.

Several individuals have been convicted of crimes where "Dexter" was cited as an influence. In one recent case, a 16-year-old boy, obsessed with serial killers including Dexter Morgan, was convicted of attempting to murder a girl at Thorpe St Andrew School in Norwich. He had created video compilations of real and fictional serial killers and expressed a desire for the admiration they received. The teenager, who cannot be named for legal reasons, was found to have an "obsessive and dangerous interest in killers and killing" and a "hatred for women." He was convicted of attempted murder and faced sentencing.

Another case involved Benjamin Day, a forensics student who murdered Maria Saceanu, 24, in a plastic-lined "kill room" set up in an Airbnb, inspired by the show. Day admitted to luring Saceanu to the location and stabbing her multiple times before attempting to dismember her. He had changed into a khaki top similar to those worn by Dexter and prepared the room with plastic sheeting and other items mirroring the show's depiction of a "kill room." Day's actions were described as a "tribute" to the series.

Prior to these incidents, James Desborough, 40, was convicted of murdering and dismembering two men at his woodland cabin in Cornwall. Desborough reportedly commented to a forensic biologist at the crime scene that he "particularly enjoyed the dismemberment scenes" in "Dexter." He had befriended vulnerable men at a homeless shelter before killing them and using their bank cards.

Other convictions linked to the show include:

• Steven Miles: In 2014, Miles was jailed for at least 25 years for murdering and dismembering his 17-year-old girlfriend, Elizabeth Thomas. His trial revealed a fixation with horror movies and a desire to emulate Dexter Morgan.
• Mark Howe: Also in 2014, Howe was sentenced to at least 21-and-a-half years for murdering his mother. Text messages revealed his hatred for his mother, and he began stabbing a punch bag while becoming obsessed with "Dexter." He used a photo of Dexter with a blood-splattered face as his Facebook profile picture and searched for "Dexter's kill knife" before the murder.
• Mark Twitchell: In 2008, the Canadian filmmaker was convicted of murdering Johnny Altinger, 38, and dismembering him. Twitchell was dubbed the "Dexter Killer" due to his obsession with the show.
• Andrew Conley: In 2010, Conley received a life sentence for strangling his 10-year-old brother to death. He had told his girlfriend weeks earlier that he wanted to be like Dexter.
• Havard Nyflot: Also in 2010, Nyflot was one of the killers convicted of the murder and burial of Faiza Ashraf, 26. Nyflot claimed inspiration from "Dexter," stating he believed the victim was a "bad person" who deserved punishment.

Iszatt suggested that "Dexter" provides individuals with a framework to rationalize their violent impulses. "The narrative of the 'Dark Passenger' presents the violent part of Dexter as something that exists within him and demands expression," she said. "For someone already experiencing violent impulses, that can become a convenient way of understanding and separating themselves: the violent part of me is not really me; it is something that happens to me."

While the show's creators have not commented on the direct influence on these crimes, the repeated instances highlight concerns about the impact of violent media on susceptible individuals. The series, which aired from 2006 to 2013 and has spawned spin-offs, continues to be a subject of discussion regarding its portrayal of violence and its potential real-world consequences.