Investigatorsle□r□edthattheg□oup□adb□e□□r□endsforyears,b□trece□tly□herehadbeentensionamongt□em.Rumo□sofdi□agreeme□tsandarg□m□ntsduringthetripbeg□ntosur□ac□,le□din□authoriti□stospeculatewhet□e□foulplayw□sin□□l□□d.Each□emberofthegrouphadadif□er□nt□□orytotell,□ndthei□co□sis□encies□□theiracc□untso□lya□de□tothemysteryo□them□□sin□nine. Inv□st□ga□orslearn□□th□tthegr□□phadbeenfr□endsfor□ea□s□butr□cent□ythere□ad□eentensio□amongthem□Rumorsofd□sa□r□emen□sandar□um□ntsduringthetripb□gantosurfa□e,leadingaut□or□tiesto□pe□u□atewhetherfou□playwasinv□lved.Ea□hmemberofthegrou□hada□iffe□entsto□ytotell,andtheincon□□s□□nc□esintheiracc□untso□lyadded□othemy□teryof□hemissingn□ne. Inv□stigato□slearnedthatthe□roupha□beenfriendsf□ryears,butr□centlyther□hadb□ente□sion□mongthe□.R□mo□sofdi□ag□eementsandargumen□sduringthetr□pbegantos□□face,le□din□authorities□ospecu□ate□hether□ou□playwasinvol□ed.Eachmemberofthe□rouphadadiff□□ent□torytotell,andthe□n□on□ist□□cies□ntheir□ccount□only□d□edtothemyst□□yofth□missingni□e.