newyorkguy
Penultimate Amazing
I go by the definition that Mother Jones, the DOJ, USA Today and the Washington Post follow. A shooting event where 4+ people are shot & killed, not including the shooter.
Mother Jones considers three killed the base line.
Readers may wonder why this database does not include the New York City subway shooting on April 12, 2022, the school shooting in Washington, DC, on April 22, 2022, or other such attacks in which fewer than three victims died. Mother Jones link
In January 2013 Congress passed the "Investigative Assistance for Violent Crimes Act of 2012." The Act stipulates:
The Washington Post does define it as four or more killed.DEFINITIONS.—For purposes of this subsection—
‘‘(A) the term ‘mass killings’ means 3 or more killings in a single incident. Congress dot gov link
The data tracks mass killings — which are defined as incidents in which four or more people are killed within a 24-hour period — regardless of the circumstances or where the incident occurred. Washington Post link
USA Today also uses four or more killed as the baseline.
'However, our database is broader in other ways. It includes every mass killing since 2006 from all weapons in which four or more people, excluding the offender, were killed within a 24-hour time frame. USA Today link
The Post, USA Today and DOJ use the term 'mass killing,' while Mother Jones uses 'mass shooting.' But that this has even become an issue speaks volumes about gun violence in the US.
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