A telling line from this study: "Another limitation is that we found mass murder incidents outside of the USA to be too infrequent to allow for a meaningful statistical comparison of methods with US cases."
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A new study found the vast majority of mass shooters didn't have a severe mental illness.https://www.cambridge.org/core/journals/psychological-medicine/article/psychotic-symptoms-in-mass-shootings-v-mass-murders-not-involving-firearms-findings-from-the-columbia-mass-murder-database/50514607ADF1AC2ECEB43369B6153E34 …
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