Victims
James Bullock, 27 [12/17/1958 Forest, MO]
Eric Frey [9/26/1963 Pacific, MO]
Peter J. Halm, 26 [9/5/1976 Pacific, MO]
Arthur Gusewelle, 61 [11/3/1977 Edwardsville, IL]
Vernita Gusewelle, 55 [11/3/1977 Edwardsville, IL]
Ronald Gusewelle, 33 [3/31/1979 East St. Louis, IL]
Sophie Marie Barrera, 50 [1/14/1980 Saint Louis, MO]
Southside dentist left trail of murder victims
Former dentist pleads guilty to three slayings
Murdering dentist called Dr. Engleman and Mr. Hyde
Killer Driller: St. Louis dentist used his sexual power to get women to aid him in his murder schemes, netting him huge fortune
State of Missouri v Glennon E. Engleman 1982
Dr. Glennon Edward Engleman “The Killing Dentist” profile
Serial Killers Podcast: Glennon Engleman
Serial Killers Podcast: Victims of Glennon Engleman
Murderpedia: Dr. Glennon E. Engleman
Wikipedia: Glennon Engleman
Boyle case opens in East Alton
People of the State of Illinois v Barbara Boyle 1987 (conviction and sentence affirmed)
Boyle hopes to be released from jail
Wife who killed husband out of prison
16 Chilling Facts About Hitman Glennon “The Dentist” Engleman
Books
Appointment with Murder
Movies/Documentaries
Beyond Suspicion
The F.B.I. Files: Deadly Dentist
Defendants
Glennon Engleman – convicted, sentenced to life in prison; died in prison in 1999
Barbara Gusewelle Boyle – pled guilty to killing her husband, Ronald; sentenced to 50 years in prison; released 10/2009
