Alcuni distretti scolastici texani hanno autorizzato gruppi designati di docenti a portare armi cariche in classe, per proteggere gli studenti e il personale in caso di necessità. È il caso alla Argyle High School, dove uno solo dei quattro ingressi del campus è ancora aperto e all'ingresso bisogna superare un controllo da parte di un dipendente seduto dietro un vetro blindato.
Il programma è stato varato dopo il massacro avvenuto nel 2012 alla scuola elementare "Sandy Hook" a Newtown, nel Connecticut, dove morirono 20 bambini e sei adulti.
Per parteciparvi, gli insegnanti devono avere il porto d'armi e superare un'istruzione e un esame psicologico. I loro nomi non sono noti agli studenti. Non hanno ancora dovuto esplodere un solo colpo.
pon/ebu
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