Bryan McAllister’s personal reference notebook
September 11, 2026Short & citedBlog
Civic Viewpoint.
A quiet encyclopedia with a personal desk
Kept by Bryan McAllister — short guides, clear facts, and the Canadian angle when it matters.
Civic Brief • Serial Killer

Jeffrey Dahmer

Jeffrey Dahmer was an American serial killer and sex offender who murdered 17 boys and young men between 1978 and 1991.

Updated September 11, 20261 min readCited sources

Jeffrey Dahmer was an American serial killer who murdered 17 boys and young men between 1978 and 1991. His brutal crimes, including dismemberment and cannibalism, are often studied in Canada as a case study in serial murder and criminal justice failures.

What it is

Jeffrey Dahmer, active from 1978 to 1991, killed 17 adolescent males and young adults, primarily in Wisconsin and Ohio. His arrests in 1991, after a victim escaped, revealed evidence of murder, necrophilia, and cannibalism. He was convicted and sentenced to multiple life terms.

Why it matters

Dahmer’s case is frequently examined in Canadian media and criminology for its insight into serial murder patterns, law enforcement oversights, and the handling of mental illness within the justice system. It remains a reference point for discussions on public safety and profiling.

Key details

In 1992, Dahmer was sentenced in Wisconsin and later convicted of an additional murder in Ohio. He was imprisoned at the Columbia Correctional Institution in Portage, Wisconsin, where on November 28, 1994, a fellow inmate beat him to death.

In short

  • Dahmer murdered 17 victims between 1978 and 1991.
  • His crimes included murder, dismemberment, necrophilia, and cannibalism.
  • He was arrested in 1991 after a victim escaped and led police to evidence.
  • He was beaten to death by an inmate in 1994.
Canadian angle

Jeffrey Dahmer is widely studied in Canadian media and criminology as one of the most notorious serial killers of the late 20th century, often discussed in relation to criminal justice failures and serial-murder profiling.

Quick questions

How many people did Jeffrey Dahmer kill?
Jeffrey Dahmer killed 17 known victims.
What did Jeffrey Dahmer do?
He was a serial killer and sex offender who murdered, dismembered, and abused the bodies of his victims, including acts of cannibalism.
What happened to Jeffrey Dahmer?
He was convicted and imprisoned, then beaten to death by another inmate at the Columbia Correctional Institution in 1994.

Sources

  1. Britannica — https://www.britannica.com/biography/Jeffrey-Dahmer
    Supports: Biographical details, victim count, death date and place, crimes
  2. FBI — https://www.fbi.gov/news/stories/serial-killers-part-7-jeffrey-dahmer
    Supports: Victim count, arrest context, prison death, discovery of remains
  3. A&E — https://www.aetv.com/articles/jeffrey-dahmer
    Supports: Victim count, crimes, conviction, life sentences, Wisconsin and Ohio murders
  4. History — https://www.history.com/this-day-in-history/november-28/jeffrey-dahmer-murdered-in-prison
    Supports: Prison death, arrest and conviction summary, nature of crimes
  5. Wikipedia — https://en.wikipedia.org/wiki/Jeffrey_Dahmer
    Supports: Victim count and prison death details; used only as supplementary confirmation