What was a significant characteristic of Holmes according to some definitions of a serial killer?
Psychological urge
No clear motive
Love of bloodshed
A series of similar crimes
Answer
According to some definitions, a significant characteristic of Holmes was that he committed a series of similar crimes. Holmes's crimes were typically characterized by their careful planning and execution, as well as his meticulous attention to detail.
Unmasking the Madness: A Quiz on H. H. Holmes, America's Notorious Serial Killer