Investigatorsle□□nedthatthegrou□hadb□enfrien□s□ory□□r□,butre□ent□ythereh□□beentensionamongt□em.□umorso□disagreem□ntsandargumentsduringthetripbe□antosur□ace,leadi□□authoritiesto□pe□u□atewhetherf□ulplay□asinvolved.□achmemberofthegro□pha□a□i□feren□□□o□ytot□ll,and□heincon□ist□n□ies□nt□e□□acc□untsonlyaddedtothemy□teryo□□he□iss□ngnine. In□e□tigator□learned□□□□theg□ouphadbeen□rien□sforyears,b□t□ec□□□lyther□hadb□enten□ionamongthem.□umorsofd□□agreement□□ndargume□t□du□ing□he□ri□be□anto□ur□ace,leadinga□th□ritiestospeculatewhetherfo□□playw□sinvo□ved.Eachmemberofthegrouphadadifferentsto□yt□□□ll,an□□hei□□onsi□□en□iesinth□i□a□c□u□tsonlyadde□tothemy□teryofthemissingnine□ Investigatorslearnedt□a□the□rou□ha□be□nfriendsf□ryears,butrecentlyth□rehadbe□ntens□on□m□ngthem.□□□orsofdisagreements□ndargument□d□rin□th□t□ipbegantosur□ace□leadingauthorities□ospecul□tewhetherfoulplaywasinvolved□Ea□□□□mberofthegr□uphadad□□feren□stor□tote□l,a□dtheinconsistenciesintheiracc□untsonlyaddedtothemysteryofthem□ss□n□nine. Investiga□or□le□rn□dth□t□□egrouphadbeenfriend□foryears,but□ecentlytherehadbeen□en□io□among□he□.R□mor□□f□isagreemen□san□a□gumentsduringth□tripb□gantosurf□□e,leadin□author□tiesto□pec□l□tewheth□rfoulplaywasin□olved□Eachmemberoftheg□ouphadadiff□rentstor□tot□ll,□ndtheinc□□s□stenc□e□in□heira□countsonl□a□dedt□themyst□ryofth□□is□ingnine.