当前分类下找不到" Legal+experts+say+photos+and+videos,+whether+posted+publicly+online+or+obtained+in+a+more+discreet+manner+by+the+police,+have+to+meet+the+same+criteria:+They+must+be+authenticated,+meaning+the+prosecutors+must+prove+the+images+are+what+they+seem+and+have+not+been+altered+or+staged.+"的例句。