□nvestig□tors□ea□nedthatthe□rouphadbee□fri□n□sf□ryea□s,bu□□ece□tlythere□adb□□nten□ionamon□□h□m.Rumor□ofdisagre□mentsandargu□entsduringthetri□beganto□urface,□e□d□ngauthoritiestospeculatewhetherfoulplaywa□in□olv□d.Eachmemberofthegro□phadadiffe□entst□r□totel□,andthei□cons□stenciesinth□ir□ccou□ts□nly□dd□dtothe□ysteryofthe□issingnine. In□estigator□lear□edthatthegrouphadbe□nfriend□fo□y□□rs□butrecentl□therehadbee□te□sionamongthem.Rumo□so□disa□ree□entsandargu□ents□□ringthetr□□begant□surface,le□dingautho□it□e□t□sp□c□late□hetherf□ulplay□a□involved.Eachmem□e□o□the□□□u□had□□□f□er□ntsto□□t□□□ll,□n□theinconsis□encies□ntheiraccou□tsonlyaddedt□themystery□f□hemissingn□ne.□> Inv□stigatorslearnedthatthegr□uphadb□en□□iendsfor□ears,b□trecentlythere□adbee□tensionamongt□e□□Rumorsofdisagr□ement□and□rgumentsdur□ngthetrip□eg□ntosurface,le□dingauthoriti□stospec□la□ewhe□herfou□□laywasi□volved.E□c□mem□erof□hegroup□adadifferents□orytote□l,andthe□nc□nsist□nciesin□heir□ccountson□□addedtoth□mysteryofthem□ssingn□ne. Investigatorslearn□dtha□thegro□phadbeenfr□endsfory□ars,bu□r□ce□tlythere□adbeente□sion□mongthem.Rumorso□disagreem□ntsa□da□gume□tsdu□ingthet□□pbe□an□osur□ace□l□adingauth□rities□os□eculate□□ethe□foulplaywasi□□olv□□.Ea□hme□□□rofthegrouphadad□fferentstoryt□tell,an□th□□nco□sistenciesintheirac□ountso□lyaddedtot□emy□te□yof□hemis□i□gnine□ I□vestigatorslearned□hat□he□rouphadbee□friendsfor□ears,□utrecentlythereha□beentensiona□ongthem.Ru□orsofdi□a□reementsa□□arg□□ent□duringt□etr□pbegan□osu□fa□e,lea□ing□□t□or□t□es□ospe□ulatewhetherfoulplay□a□involv□d.Ea□hmembero□the□rouphadadiffere□□□to□y□□tel□,andtheinconsistenciesin□heiraccountsonlyaddedtoth□mysteryofthe□issingnine.