Just attaching this here and hoping someone can enlighten me. It appears the MST also considers mass shootings to involve a minimum of 4 injured or dead victims.pic.twitter.com/zqTEpAz8WT
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
I think it's basically different classifications. 4 victims is the FBI definition I think, others use 4+ dead or 10+ dead. I believe the Aussie definition is 5+ shot