Investigators□ea□n□dthat□hegrouphadbe□□frien□sforyea□s,but□□centlyt□erehadb□ente□sio□amongthem.□u□orso□di□ag□eementsanda□gumentsduringthe□r□□b□gan□osurfac□,le□dingauth□r□tiesto□peculatewheth□rfoulpla□w□sinvo□ved.E□chmemberof□he□rouphada□□ffere□ts□orytotell,a□dtheinc□nsi□te□c□esi□□heirac□oun□sonlya□dedtot□emyster□ofthemissi□gnine. In□estigator□learne□th□t□hegrouphadbeenfriendsforyear□,butrecen□lythe□e□ad□eentensionamo□gthem.R□□orso□disagreementsanda□gume□tsduringthet□ip□egant□□□rfa□e,leadingau□horitiesto□p□cu□at□whetherfoulp□a□wa□involved.Eachmember□ftheg□o□ph□□ad□ffer□nt□□□rytotel□,a□□t□ei□c□nsistenciesintheira□countsonlya□dedtothemysteryofthe□issingnine. Invest□gatorslearnedthatthegrouphadbeenfri□ndsforyears□□utre□ent□ythereha□beentensionamongthem.Rumorso□□□sagree□entsandar□u□entsdur□ngthetripb□gantosu□face,l□ad□n□aut□□ritiestospe□□latewhether□□ulplaywasinvolved□Ea□hmemberoft□egrouphadadifferentstor□t□□ell,andth□i□con□istenci□si□th□irac□ountson□yaddedtot□□my□teryo□themissin□n□ne. Investi□atorsl□arnedt□□tt□e□rouphadbeenfriendsforyears,butrecentlythereha□bee□t□nsionamongthem□R□morso□disag□□eme□tsandargumentsduringthet□ipbegantosur□a□□,lead□ngauthoritiesto□pec□latewh□ther□oulplaywas□nvo□ved.E□chmemberofthegr□upha□ad□fferentstor□tot□ll,a□dtheinc□□s□ste□ciesin□he□racc□un□son□yaddedt□t□emyste□y□fthemissingnine.□> Investiga□ors□earnedthatthegroup□adbeenfriendsfo□□ear□,□utrec□n□lyt□ereh□d□eente□sion□m□ngthem.Rumo□sofdisa□reementsandar□ument□d□ringt□et□ipbegantosurf□ce,□eadi□gaut□oriti□stospe□ul□□ewhethe□fou□pla□wasi□□olved.Eachm□mberofthegr□uph□da□ifferent□toryt□tell,□ndt□□inconsistenc□esint□eiraccountsonlyad□edtothe□ysteryofthem□ssingnine.<□p>