[zeestephen]

Do you recall how “mass shooting” was defined in the article you read?

There are many definitions in common use.

For instance, the FBI crime statistics define a mass shooting as 4 or more deaths, and there are usually 100+ of those each year.

Thanks.

[marktwain]

For instance, the FBI crime statistics define a mass shooting as 4 or more deaths, and there are usually 100+ of those each year.

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I think your numbers are off. There may be 100+ instances where 4 or more people are shot, but not where 4 or more are killed.

Do you have a source? My estimate, based on following these things pretty closely, would be less than 20 cases a year where 4 or more people are killed, and most of those are domestic situations or gang warfare, not rampage killers.

The FBI definition was for rampage killers and excluded gangs and domestics.