
Peter Baker @peterbakernyt
Six of the nine deadliest mass shootings in the US since 2018 were by people who were 21 or younger, a shift for mass casualty shootings, which before 2000 were most often committed by men in their 20s, 30s and 40s. @GlennThrush @mrichtel https://t.co/09Cu8ioDCq — PolitiTweet.org