Mark Twitchell

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Mark Twitchell
Mark Andrew Twitchell[1]

(1979-07-04) July 4, 1979 (age 44)
Edmonton, Alberta, Canada
Criminal statusImprisoned at Saskatchewan Federal Penitentiary
Criminal chargeFirst-degree murder
Penalty25 years to life imprisonment

Mark Andrew Twitchell (born July 4, 1979) is a Canadian filmmaker convicted of first-degree murder in April 2011 for the murder of John Brian Altinger.[2] His trial attracted particular media attention because Twitchell had allegedly been inspired by the fictional character Dexter Morgan.[3]

Early life and filmmaking ambitions[edit]

Born in Edmonton, Alberta, Twitchell dreamed of making blockbuster films[4] and graduated from the Radio and Television Arts program at the Northern Alberta Institute of Technology in 2000. In 2001, Twitchell married an American woman and moved to Illinois, but they divorced in 2004.

In 2007, Twitchell directed Star Wars: Secrets of the Rebellion, a full-length fan film prequel set a few days prior to Star Wars Episode IV: A New Hope.[5] Secrets of the Rebellion included a cameo by Jeremy Bulloch, a British actor best known for his role as bounty hunter Boba Fett in the original Star Wars films. The film, still in post-production, never saw release. Twitchell also scripted Day Players, a buddy comedy.[5] In September 2008, he shot a short horror film entitled House of Cards at a garage he rented in the south end of Edmonton.[4]

Murder of Johnny Altinger[edit]

In October 2008, John Brian Altinger, a 38-year-old former oilfield equipment manufacturer from White Rock, British Columbia,[6] unknowingly interacted with Twitchell on the dating website Plenty of Fish. Twitchell was posing as a woman on the site in an attempt to lure victims to a garage, which he had rented to use as a film studio, in order to kill them. On October 10, 2008, Altinger informed his friends of his plans to meet the woman he believed he was chatting with and sent them the address Twitchell had provided him.[7] Upon Altinger's arrival, Twitchell bludgeoned and stabbed him to death. Twitchell attempted unsuccessfully to burn the body. When this failed, he cut Altinger's remains into pieces. He then put the dismembered remains into garbage bags and dumped them into a storm sewer south of 130th Avenue and 87th Street.[2]

Altinger's friends became concerned after they received emails purportedly from Altinger which claimed that his date had taken him on an extended vacation to Costa Rica. Twitchell had broken into Altinger's condominium to send these emails.[7] Twitchell also sent a resignation email to Altinger's work, but did not respond to a request for a forwarding address for sending Altinger's final paycheck.[8] Altinger's friends broke into his condominium, where they found his passport, dirty dishes, and no indication of his having packed for a trip.[9] A homicide investigation was soon launched by the Edmonton Police Service.

Twitchell claimed that he had met Altinger by chance. According to Twitchell, Altinger was accompanying a wealthy woman to Costa Rica and had no further need of his Mazda6. Altinger supposedly sold the vehicle to Twitchell for the cash Twitchell had on hand, 40 CAD.[10] Disbelieving Twitchell's account, the police impounded Twitchell's laptop and car and found Altinger's blood in the car's trunk. Police arrested Twitchell on October 31, 2008[11] and charged him with the first-degree murder of Altinger.[1]

Trial and sentencing[edit]

The key piece of evidence presented by the Crown at Twitchell's first-degree murder trial was a document, entitled "SKConfessions",[12] which stood for "Serial Killer Confessions". The document had been recovered from Twitchell's laptop, despite having been deleted. The document begins with the passage:

This story is based on true events. The names and events were altered slightly to protect the guilty. This is the story of my progression into becoming a serial killer.[12]

It presented an account of its narrator's planning, failed first attempt, and successful second attempt to lure a man to his garage and murder him using fake online dating profiles as bait. It went on to describe the process of dismembering the body and attempts to dispose of the remains.

During his trial, Twitchell admitted to killing Altinger and authoring the document, but claimed he had acted in self-defense. He described the document as fiction based on fact, as if he had planned Altinger's death deliberately, in order to craft a compelling story.[13]

During the trial, Twitchell's interest in the television series Dexter was noted repeatedly, and his personal identification with its lead character, Dexter Morgan, a vigilante serial killer, prompted several media outlets to refer to him as the "Dexter Killer."[14]

Another document found on Twitchell's laptop did not make its way into the evidence file for the jury to read during his trial. Entitled "A Profile of a Psychopath",[15] and believed by investigators to have been written by Twitchell, it is a detailed self-analysis of personality and behavior.[16] On April 12, 2011, Twitchell was convicted of first-degree murder for the death of Altinger, and sentenced to life in prison without possibility of parole for 25 years.[2]

Attempted murder charge[edit]

Twitchell still faced an attempted murder charge for his alleged attack on Gilles Tetreault, a computer company contractor.[17][18] Tetreault testified that he was lured using the website Plenty of Fish, expecting a date with a young woman named Sheena, only to be attacked by a man in a hockey mask with a stun baton when he arrived at the garage in Edmonton rented by Twitchell. After a violent struggle, Tetreault escaped, but did not report the attack to police. Tetreault claims that he did not report the attack because he was embarrassed.[19] Tetreault was nicknamed 'The One Who Got Away' by several media outlets.[20][21][22]

Crown prosecutors considered pursuing a charge of attempted murder after securing a conviction of first-degree murder.[23] Detectives were adamant that they had gathered a mountain of evidence – much of it revealed during the murder trial – while even Twitchell himself admitted on the witness stand to committing the attack. In preparing the case for trial, the Crown had argued in court for the attempted murder and first-degree murder charges to be heard simultaneously as they were part of the same "transaction" of his attempt to become a serial killer. Under Canadian law, charges can only be heard together if they are linked in some way. Court of Queen's Bench Justice Terry Clackson was not convinced by the prosecution's argument that the attack on Gilles Tetreault and the murder of Johnny Altinger were part of the same transaction. He ordered the charges to be severed and heard separately. "The offences are related and connected, but remain discrete," Justice Clackson wrote in his reasons for the decision, "As a result, the attempted murder charge cannot stand on the same indictment as the charge of murder because they are different transactions." On June 17, 2011, an attempted murder charge against Twitchell was stayed in the Court of Queen's Bench of Alberta, meaning that Crown prosecutors could resurrect the charge within a one-year period.[24] Since his conviction of first-degree murder secured a maximum sentence — life in prison with no parole eligibility for 25 years — there was no need to proceed with more charges, and the attempted murder charge against Twitchell was eventually dropped.[25]

Media coverage during trial[edit]

Extensive media coverage of the case created debate both inside and outside of the courtroom. Observers argued for and against the media's reporting on the more sensational details of the crime.[26]

Prior to the criminal trial, Crown prosecutors and the defense sought vast publication bans and sealing orders over the police evidence, preventing the media from reporting on the details of the case until the jury would hear it during the future trial.[27] The media fought the application, but the judge agreed to both a sealing order and publication ban, stating in his ruling that "there is a real risk that pretrial publicity will undermine the accused's constitutionally protected right to a fair trial."[27] The jury pool was then polled through a "challenge for cause" procedure to determine if a potential juror had been influenced by the media coverage prior to the publication bans taking effect.[27] When the bans were lifted, a large media presence attended and reported on the trial, including American television programs Dateline NBC and 48 Hours.

Following his first-degree murder conviction, Twitchell used the extensive media coverage of his case as grounds for an appeal. He argued in his notice of appeal that "the media attention surrounding my case was so extensive, so blatant and so overtly sensationalized that it is unreasonable to expect any unsequestered jury to have remained uninfluenced by it, regardless of judges' instructions in the charge."[28] He abandoned his appeal in 2012.[29]

Post-trial media coverage[edit]

In December 2012, Michael C. Hall, the actor who played Dexter Morgan, was interviewed by Jian Ghomeshi on the Canadian radio show Q. Hall stated that he did not think Dexter glamorized serial killers. "I would hope that people's appreciation was more than some sort of fetishization with the kill scenes," he said. Ghomeshi brought up Twitchell and Hall said, "I wouldn't stop making Dexter because someone was fascinated by it only in that way. I try to tell myself that their fixated nature would have done it one way or the other, but it seems that Dexter had something to do with it. It's horrifying."[30][31]

In May 2013, it was reported that Twitchell had purchased a television for his prison cell. Twitchell stated that he had caught up on every Dexter episode that he missed since he was arrested and convicted of first-degree murder.[32]

Twitchell's case was featured in the American magazine Crime Watch Daily on May 1, 2017. Much of that day's program focused on Twitchell's methods and featured interviews with Gilles Tetrault, his first intended victim, and Steve Lillebuen, author of the book The Devil's Cinema, which focused on the case. Part of the report included a return trip by Tetreault to the garage in which the incident had taken place.[33]

Tetreault made several media appearances related to his experience, including Dateline NBC,[34] 48 Hours Mystery,[35] The Fifth Estate,[36][37] I Survived... on Biography Channel,[38] Dates from Hell on Investigation Discovery,[39][40] and The Security Brief on REELZ.[41]

Books about the case[edit]

  • The Devil's Cinema (2012) by Steve Lillebuen, a true crime account of the case and trial, written with the cooperation of Twitchell.
  • The One Who Got Away (2015) by Gilles Tetreault, a personal account by the original intended target of Twitchell. 1st Edition. Triplicity Publishing. ISBN 978-0996899413; 2nd Edition. CreateSpace Independent Publishing Platform. ISBN 978-1539347736[42][21][43][44]

See also[edit]


  1. ^ a b "Mark Andrew Twitchell bio". filmmakerEdmonton Journal. March 15, 2011. Archived from the original on January 18, 2013. Retrieved February 12, 2012.
  2. ^ a b c Wingrove, Josh (April 12, 2011). "Jury finds Edmonton filmmaker guilty of murder". The Globe and Mail. Archived from the original on April 17, 2011. Retrieved April 16, 2011.
  3. ^ "Family of dismembered victim of Mark Twitchell says trial evidence hard to bear". The Canadian Press. April 8, 2011. Retrieved April 15, 2011.
  4. ^ a b Bennett, Dean (March 27, 2011). "Accused killer Mark Twitchell had big dreams of making blockbuster movies". The Canadian Press. Archived from the original on March 22, 2012. Retrieved April 15, 2011.
  5. ^ a b Lillebuen, Steve (November 12, 2012). "Jailed murderer Mark Twitchell eager to revive film career". The Globe & Mail, Canada. Retrieved May 2, 2021.
  6. ^ "Johnny Brian Altinger bio". Edmonton Journal. March 16, 2011. Retrieved April 16, 2011.
  7. ^ a b Blais, Tony (March 23, 2011). "Friends worried over victim's 'date'". Edmonton Sun. Retrieved April 16, 2011.
  8. ^ "Read: Altinger's e-mails before and after his disappearance". Edmonton Journal. March 23, 2011. Retrieved April 16, 2011.
  9. ^ Zabjek, Alexandra (March 23, 2011). "Victim's friend uneasy about mysterious blind date". Edmonton Journal. Retrieved April 16, 2011.[dead link]
  10. ^ "Mark Twitchell: A closer look at the evidence". Retrieved May 4, 2021.
  11. ^ "Filmmaker charged with first-degree murder". Canadian Broadcasting Corporation. November 2, 2008. Retrieved August 20, 2012.
  12. ^ a b "Read: Document from Mark Twitchell's laptop". Edmonton Journal. March 29, 2011. Retrieved April 16, 2011.
  13. ^ Tumilty, Ryan (April 6, 2011). "Twitchell admits killing Altinger". St. Albert Gazette. Archived from the original on December 13, 2013. Retrieved April 16, 2011.
  14. ^ "What They Allow "Dexter Killer" To Do In His Prison Cell". HuffPost Canada. May 7, 2013. Retrieved May 4, 2021.
  15. ^ "Mark Twitchell's Profile of a Psychopath". Scribd (in Portuguese). Retrieved February 8, 2019.
  16. ^ ago, Fiona Guy • 1 year (January 10, 2018). "Mark Twitchell, Canada's 'Dexter' Killer". Sword and Scale. Retrieved February 8, 2019.{{cite web}}: CS1 maint: numeric names: authors list (link)
  17. ^ "Gilles Tetreault bio". Edmonton Journal. April 2, 2011. Retrieved July 3, 2011.
  18. ^ "Alleged first victim recalls his escape". CTV News. April 1, 2011. Retrieved April 1, 2011.
  19. ^ "INFAMOUS: The Dexter Killer - Crime Junkie". Spotify. April 20, 2020. Retrieved June 10, 2020.
  20. ^ "Twitchell trial: Alleged victim recounts fight for his life". Toronto Sun. April 1, 2011. Retrieved April 1, 2011.
  21. ^ a b "The One Who Got Away". July 5, 2015. Retrieved July 5, 2015.
  22. ^ "Twitchell attempted murder charge stayed". The Edmonton Sun. June 17, 2015. Retrieved June 17, 2015.
  23. ^ "Twitchell could face attempted-murder charge". Edmonton Journal. April 12, 2011. Retrieved July 3, 2011.
  24. ^ "Court stays attempted murder charge against Twitchell". CBC News. June 17, 2011. Retrieved July 4, 2011.
  25. ^ "First draft done; 2nd Twitchell charge dropped". Steve Lillebuen. Journalist. August 6, 2011. Retrieved August 6, 2011.
  26. ^ McConnell, Rick (April 2, 2011). "Sensationalism stirs up storm of debate". Edmonton Journal. Archived from the original on January 18, 2013. Retrieved October 19, 2011.
  27. ^ a b c Justice Clackson, T.D. "Reasons for Judgment, Application for a Ban on Publication and Sealing Order". R. v. Twitchell. Court of Queen's Bench of Alberta. Archived from the original on January 15, 2013. Retrieved October 19, 2011.
  28. ^ "Convicted murderer Twitchell files appeal". CBC Edmonton. May 10, 2011. Retrieved October 19, 2011.
  29. ^ "'Dexter killer' drops appeal". Canadian Broadcasting Corporation. March 29, 2012. Retrieved April 3, 2012.
  30. ^ "Michael C. Hall, 'Dexter' Star Horrified By Mark Twitchell Case, Convicted Killer Who Took Inspiration From Show". Huffpost Alberta. December 14, 2012. Retrieved May 15, 2013.
  31. ^ "Michael C. Hall on Q". Q. December 13, 2012. Retrieved May 15, 2013.
  32. ^ Lillebuen, Steve (May 5, 2013). "'Reliving his fantasy': 'Dexter Killer' still allowed to watch ultra-violent TV series in maximum-security prison". National Post. Retrieved May 15, 2013.
  33. ^ "Plot to kill: Aspiring horror filmmaker lures victims to 'kill room' with fake online dating ads". True Crime Daily.
  34. ^ "Deadly House of Cards". Dateline NBC. September 16, 2011. Retrieved September 16, 2011.
  35. ^ "Screenplay for Murder". 48 Hours Mystery - CBS News. February 11, 2012. Retrieved February 11, 2012.
  36. ^ "MURDER, he wrote". The Fifth Estate - CBC. November 18, 2011. Retrieved November 18, 2011.
  37. ^ "Inside The Mark Twitchell Case". True Crime Canada - CBC. September 10, 2013. Retrieved September 10, 2013.
  38. ^ "I Survived... - Gilles/Angela and Richard/Jeffrey". Biography Channel - IMDb. October 21, 2012. Retrieved October 21, 2012.
  39. ^ "Dates from Hell - Web of Seduction". Investigations Discovery - IMDb. July 25, 2012. Retrieved July 25, 2012.
  40. ^ "Dates From Hell: Online Dating Gone Wrong As Would-Be Serial Killer Poses As Woman To Lure Victims". HuffPost TV. July 26, 2012. Retrieved July 26, 2012.
  41. ^ "The Security Brief – Script for Murder". The Security Brief. January 13, 2016. Retrieved January 13, 2016.
  42. ^ "The One Who Got Away". Triplicity Publishing. October 29, 2015. Retrieved November 12, 2015.
  43. ^ "Mark Twitchell Victim Releases THE ONE WHO GOT AWAY". BWW Books World. November 9, 2015. Retrieved November 11, 2015.
  44. ^ "Mark Twitchell Victim Announces the Release of the True Crime Book the One Who Got Away". Newswire. November 6, 2015. Retrieved November 11, 2015.

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