Glennon Engleman

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Glennon Edward Engleman (1927–1999) was a St. Louis dentist who moonlighted as a hitman, concocting and carrying out at least seven murders for profit over the course of 30 years. He was already serving two life sentences in a Missouri jail when he pleaded guilty to the murder of a man and his parents in a separate contract killing. Engleman was a sociopath; he once stated that his talent was to kill without remorse[1] and he enjoyed planning and carrying out killings and disposing of the remains, in order that it would net him financial rewards. Methods used to kill his victims included shooting, bludgeoning with a sledgehammer and car-bombing. Engleman died in prison of a diabetes-related condition in 1999.[2] The exact number of his victims is unknown.

Early life[edit]

One of four children, Engleman graduated in dentistry at Washington University in St. Louis, in 1954. He had been admitted under the GI Bill, having previously served in the US Army Air Corps.

Known victims[edit]

1958: Engleman is suspected of the death of James Bullock, 27, clerk.[1] Shot near the St Louis Art Museum. Bullock was married to Engleman’s ex-wife Edna Ruth, who upon Bullock’s death collected $64,000.[3]

1963: Engleman is suspected in the murder of Eric Frey, a business associate of Engleman at Pacific Drag Strip, in which Frey and the Engleman were partners. Struck him with a rock, pushed him down a well, and used dynamite to blow him up afterwards. He then divided the insurance proceeds with Frey's widow.[4][1]

1976: Peter J. Halm. Shot in Pacific, Missouri. His wife, Carmen Miranda Halm, a former dental assistant trainee who had worked for Engleman and known him since childhood, ordered the hit to collect a $60,000 policy of life insurance on Halm.[1][5]

1977: Arthur and Vernita Gusewelle at their farmhouse near Edwardsville, Illinois. Arthur was shot; Vernita bashed to death. Engleman then murdered their son Ronald in East St. Louis 17 months later so his widow Barbara could claim the millions in life insurance she had taken out on her husband, the sole heir to his parents' oil business.[6] Engleman was not convicted of these three deaths, but confessed to them while in prison. Barbara Gusewelle Boyle subsequently sentenced to 50 years in prison for the murder of her husband.[7][8] She was released from the Dwight Correctional Facility on October 10, 2009.[1][9]

1980: Sophie Marie Barrera, owner of south St Louis dental laboratory. Killed in car bomb explosion. Engleman owed her over $14,000.[10][11] Accused by her son, Frederick Barrera, of her murder.[citation needed]


Engleman was married twice, first to Edna Ruth and then to Ruth Jolley, with whom he had a son, David Engleman.

In media[edit]

  • Corbin Bernsen played the part of Engleman in Beyond Suspicion, a 1993 TV movie loosely based on the Susan Crane Bakos book Appointment for Murder.[7][12][13]
  • The story was told in the episode "Deadly Dentist" on the program The FBI Files.[14][15][16]
  • The 1996 movie The Dentist was based on this story.[citation needed]
  • In the 2014 TV Show Fargo, hitman Lorne Malvo (Billy Bob Thornton) is shown acting as a dentist in order to track down a bounty.
  • The story was told in the episode "Concealed Abscess" on the program Deadly Dentists, season 1 episode 3 which aired December 8, 2015. [17][18]


  1. ^ a b c d e Schmidt, Sanford J. (17 October 2009). "Boyle released from prison". The Telegraph. Retrieved 13 April 2012. 
  2. ^ BOVSUN, MARA (8 August 2015). "St. Louis dentist's sexual power got women to aid in murders". NY Daily News. Retrieved 12 June 2017. 
  3. ^ BRYANT, TIM; UHLENBROCK, TOM (1 September 1984). "WEEKEND SHOWCASE;NEWLN:Murdering dentist called Dr. Engleman and Mr. Hyde". UPI. ST. Louis: United Press International, Inc. Retrieved 12 June 2017. 
  4. ^ McKendry, David Ian (19 April 2017). "Was the Movie THE DENTIST Based on an Actual Series of Murders?". Retrieved 12 June 2017. 
  5. ^ SUTFIN, HEATHER (20 April 2017). "The Serial Killing Dentist". Sword and Scale. Retrieved 12 June 2017. 
  6. ^ "Former Dentist Pleads Guilty To Three Slayings". EDWARDSVILLE, ILL. Associated Press. 20 June 1985. Retrieved 12 June 2017. 
  7. ^ a b HORRELL, STEVE (26 June 2002). "Boyle hopes to be released from jail". The Edwardsville Intelligencer. Retrieved 12 June 2017. 
  8. ^ "PEOPLE v. BOYLE | 161 Ill. App.3d 1054 (1987) |". Leagle. 30 September 1987. Retrieved 12 June 2017. 
  9. ^ "Wife who killed husband out of prison – Daily Herald". Paddock Publications, Inc. Associated Pess. 19 October 2009. Retrieved 12 June 2017. 
  10. ^ "FindACase™ | 06/14/82 STATE MISSOURI v. GLENNON E. ENGLEMAN". STATE OF MISSOURI. 14 June 1982. Retrieved 12 June 2017. 
  11. ^ Merkel, Jim (22 September 2009). "THIS WEEK IN SOUTH SIDE HISTORY: Southside dentist left trail of murder victims". St. Louis Post-Dispatch. Retrieved 12 June 2017. 
  12. ^ " Customer Reviews: Appointment for Murder: Story of the Killing Dentist". Sphere (1989). Retrieved 12 June 2017. 
  13. ^ "Beyond Suspicion". World News. Retrieved 12 June 2017. 
  14. ^ "Deadly Dentist". FBI Files. Season 6. Episode 106. 
  15. ^ ""The F.B.I. Files" Deadly Dentist (TV Episode 2005)". Retrieved 7 September 2017. 
  16. ^ "Deadly Dentist – Escape". Escape. Retrieved 7 September 2017. 
  17. ^ Cite error: The named reference Concealed Abscess was invoked but never defined (see the help page).
  18. ^ ""Deadly Dentists" Concealed Abscess (TV Episode 2017)". Retrieved 20 December 2017.