Analysis of Mass Shootings and Female Fatalities

I received an e-mail entitled, Shooters Target Women, asking me to support Bill S.1290 – Protecting Domestic Violence and Stalking Victims Act of 2013 introduced by Senator Amy Klobuchar [D-MN]on 07/11/2013. The bill text is available here:

Senator Klobuchar’s website is available here:

And if you want to see her bill summary:,

I was reminded of one of the references cited, namely, Analysis of Recent Mass Shootings by the Mayors Against Illegal Guns, September 27, 2013.


Using FBI data and media reports, Mayors Against Illegal Guns developed an analysis of mass shootings that took place between January 2009 and September 2013. The analysis found that there have been more than 90 mass shootings in this nearly five-year period.

The FBI defines a “mass shooting” as any incident where at least four people were murdered with a gun. Below are some of the reports more surprising findings:

  • Mass shootings represent a small share of total US firearm homicides.
  • There is a strong connection between mass shooting incidents and domestic or family violence.
  • Those who serve and protect us, including law enforcement and military officers, are frequently the victims of mass shootings.

The full report is available here:

Noting the strong relationship between shooting incidents and domestic or family violence, and the very small percentage of mass shootings (< 1 percent), I examined data for 2011 pertaining to females murdered by males in single victim/single offender incidents.

Regarding victim-offender relationship in which the relationship could be identified, 94% of female victims were murdered by someone they knew (1,509 out of 1,601).

See When Men Murder Women, An Analysis of 2011 Homicide Data by the Violence Policy Center:

Noted in the conclusion is the following comment:

The picture that emerges from When Men Murder Women is that women face the greatest threat from someone they know, most often a spouse or intimate acquaintance, who is armed with a gun. P. 11.

State rankings (rates of females murdered by males) are provided.

New York ranks 25th.

The report provides a lot of actuarial data. I did not see theories advanced as to why men murder women. The closest I could find was a statement as to the circumstances preceding the murder:

Most often females were killed by males in the course of an argument — usually with a firearm. P. 6.



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