Inv□sti□atorslea□nedthatthe□rouphad□een□riend□for□□ar□,butr□□entlytherehadbeente□s□onamongthem.Rumorso□□□□agreem□ntsa□darg□ment□duringthetrip□ega□tosurfa□e□le□di□gautho□itie□tospecula□ewheth□rfoulplay□asinvolved□Eachmembe□□□thegro□p□ada□ifferentstorytotell,□nd□□□□ncons□ste□c□esintheiraccount□onlyad□edto□hemysteryofth□missi□gn□ne. Investigators□□ar□edt□□t□he□ro□□hadbeen□r□e□d□foryears□butrecentlytherehadbe□nte□sionamongthem.□umor□ofd□sagreements□ndargum□ntsdur□ngthetripbegantosu□face□lead□□gaut□orit□e□t□speculatewhetherfo□l□la□was□nv□lved.Eachmembero□□he□rou□hadad□fferent□tor□□ote□l,andtheincon□□stenc□es□nth□iraccountsonlyadde□□othe□ysteryofthemissin□nine. Inve□tigato□slearnedthatthegr□uphadb□e□fr□e□dsf□r□ears□butrecentlyt□e□ehad□eente□sionamongthem.Rumorsofdisagreementsa□dargumentsd□□ingthet□ipbegantos□rface,l□a□ingauth□ritiestospec□latewhethe□fo□l□laywasinvolv□d.Eachmemberofthegrouphadad□fferentstoryto□el□,□ndthein□ons□□te□cie□i□th□□r□cco□n□sonlyadded□ot□emy□tery□fthem□ssingnine. Investigators□earnedth□tthe□rouphadbeenfrie□dsfor□ear□□butr□cently□□e□ehadbee□t□nsionamong□□em.R□morsofdisagreementsand□□gument□duringthetripb□gantosurf□ce,lead□n□autho□□tiestos□□culatewhe□□erf□ul□lay□□sinvol□ed.E□chm□mbe□ofthe□rouphad□□□fferentstoryt□t□l□,andthe□nconsistencies□ntheiracco□ntso□lyaddedt□themyst□□y□ft□e□i□singnine□