- 问题详情:Lastmonth,JustinValdez,acollegestudent,wasshotinasubwaystationinSanFrancisco.Thesurveillancevideo(*录像)showedthatbeforeJustinwaskilled,thekillerpulledouthisgunseveraltimes,andevenwipedhisnosewithit.However,nobodynoticedthekiller.Thesurroundi...
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