I□ve□□igat□□slear□□□thatthe□rouphad□e□n□rien□sfo□years□butrec□ntlyt□ere□a□beentension□mongt□em.□umorso□disag□eementsandargu□entsduri□gthetripbegantosurface□leadi□□□uth□ritiestos□□culat□whether□o□lpl□ywa□involved.Eachmemberoft□egrouphadadif□erents□orytote□l,□□dthei□□onsistenc□□sintheiraccou□□s□n□yadded□□themysteryofth□missin□nine.□/p> Investigat□rslearnedt□atthegroupha□beenfriendsfor□ears,butrece□t□yt□erehadbeentensiona□ongthe□.□umorsofdisag□eem□ntsan□argume□tsdu□in□□h□t□ipbe□antos□□f□c□□le□din□authoritiest□specu□atewhetherfoulplaywasinv□lved□Eachmember□fthegr□uphadadif□□rentstor□totell,andtheinconsisten□□esintheiraccoun□sonlyaddedtothemyste□yofthemissingnine.□/p> I□□estigator□□□arnedthatth□grouphadbeenfr□endsforyears□bu□rec□ntlyt□□reh□db□ente□si□nam□ngthem.Rum□rsofdisag□eementsandargumentsduringthetripb□gantosurface□leadin□□u□□o□it□estospeculatewhether□oulpl□ywas□nvolved□□□c□me□□erof□h□gro□pha□□differentstorytotel□,andth□inco□sistencie□i□□heiraccountsonly□ddedtothemysteryoft□em□ss□ngnin□.<□p> □n□estigatorslearnedthatthegrouph□d□eenfr□ends□□ry□a□□,□ut□ecentlythe□eh□db□entensionamong□□em.Rumorsofdisagreeme□tsand□rg□men□sdur□ngthetrip□egantosurface,lea□in□authorities□ospeculatewhetherfoulplaywasinvolve□.Ea□□memberofthegrouphad□di□ferentstory□otell,andth□incon□□□t□□cie□□ntheiraccountsonlyad□edtothemysteryoft□emiss□ngni□e.