"Beyond Suspicion," also known as "Appointment For Murder," is a movie based on the true story of former dentist Dr. Glennon Engleman. Directed by William A. Graham, "Beyond Suspicion" originally aired on NBC in November 1993.
It is based on the book "Appointment For Murder" by Susan Crain Bakos. The real names were all changed in the television movie, which now airs on Lifetime. (Cast: Markie Post, Corbin Bernsen and Don Swayze, according to the Pittsburgh Post-Gazette.
"Beyond Suspicion" synopsis/plot
When people keep turning up dead, a dentist's wife begins to suspect her husband of the unthinkable. But can she prove that her husband is a killer, but more importantly will she live to tell it?
The true events that inspired the book and the movie happened over a period of three decades. According to court records, Dr. Glennon Engleman killed a total of 7 people between 1958 and 1980 in order to collect money on the insurance policies.
Dr. Glennon Engleman's secret life came to light when one of his wives became suspicious and alerted police. Engleman was sentenced to life in prison but died in 1999.