□p>□nv□stigat□r□learnedthatthegroup□adbeenfriendsforyears,b□t□ecently□herehad□ee□te□□ionamongth□m□□u□orsofdisagree□entsandargume□tsdur□ngthetripb□ga□t□s□rfac□□lea□ingauthoritiestospeculatewhether□o□lplaywasinvolved.Eachmemberofth□grouphad□□ifferentst□□ytotell,andtheinco□□isten□i□s□ntheiraccountsonlyaddedtothemy□tery□fthemis□ingnine. Investig□□o□slearnedt□□ttheg□oup□□dbeenfrien□sfory□ars,□utrecentlyt□erehadbee□tensionamon□them.Rumor□ofdisagree□entsandarg□ments□uringthetri□be□antos□rf□ce□leadin□author□tiestos□e□ul□tewhether□oulplaywasi□volve□□Each□em□erofthegroup□adadif□ere□ts□o□ytotell□andtheincon□□stenci□sintheir□c□oun□so□lyaddedtothemyst□ryofthemissingnine. <□>Invest□gators□ea□nedtha□□heg□o□phad□□e□fri□ndsfor□ears,butrecentlyth□reh□db□e□tensionamongthem.Rumo□sofd□sag□□em□□tsanda□gumentsdurin□th□t□ipb□gantosurf□□e,lead□□gaut□orit□esto□□eculatewhethe□f□ulp□ayw□sinv□lved.E□chme□bero□thegr□uphadadi□ferentstorytotell,□□dthe□n□onsistenciesint□eirac□ountsonlyaddedtothemys□eryo□themissingnine.