【資料圖】

"Run,hide,fight".That"swhatonecouldhearinavideoshowingadozenpolicecarsinMichiganStateUniversity"sEastLansingcampusinMichiganonMonday.Theyweretheretoarrestanarmedmanwhowasontheloosetillhewasfounddeadofself-inflictedwoundsonTuesday,aftergunningdownatleastthreepeopleandinjuringfiveothers.

Somealsoreportedcallsfor"Shelterinplaceimmediately"fromthesite.StudentsandyoungstersintheUnitedStatesmustbefamiliarwithsuchinstructionsbecauseshootingsarearegularfeatureinschoolsthere.Asearlyas2017,the"activeshootingdrill"hadalmostbecomeastandardacrosstheUS.

Itwouldn"tsurpriseanybodyifsoonUSschoolsequipstudentswithbullet-proofvests,ormaybeimpartbattlefieldskills.

Allthesearegoodmeasurestosaveyounglives,buttheyarestillnotaddressingtherootproblem—theeasyavailabilityofguns,meaningtheconveniencewithwhichonecanlegallyobtainfirearms.Reportsshowthatthereareatleast393milliongunsincivilianhandsintheUS,whichisaround120gunsforevery100people;in2021alonethedomesticgunmarketwasworth$70.5billion.

TheGunViolenceArchivepointedoutonitsofficialTwitteraccountthatmassshootingsaccountfor5percentofallgunviolenceincidentsand6percentofvictims.Thatshowshowgravethegunproblemis.

Unlesstheproblemofsomanygunsinpeople"shandsisaddressed,preparingpeopletoavoidgettinghitduringshootingscanachievelittle.Tocurbgunviolence,theUSneedstocontrolguns,notjustprepareunsuspectingtargets.

TheshootinginMichigancameadaybeforethefifthanniversaryofthemassshootingatMarjoryStonemanDouglasHighSchoolinFlorida,inwhich17peoplewerekilled.