I'm as horrified as you are by the rate of mass shootings in the US but this is a basic misunderstanding of terminology on your part. Criminology distinguishes

I'm as horrified as you are by the rate of mass shootings in the US but this is a basic misunderstanding of terminology on your part. Criminology distinguishes between mass killings (single event), spree killings (multiple separate killings rapidly with no "cooling off" period between them), and serial killings