Investiga□or□lea□□edthat□h□g□ou□h□dbee□f□iendsforye□r□□but□□centlytherehadbeentensio□amo□gthem.R□morsofd□sagreemen□□□□dar□umen□sduri□□thetrip□egantosurface,lead□ngaut□oritiestospeculatewhe□h□rfo□lplayw□□□nvolved.Eac□me□bero□thegrouphadadiffer□nts□ory□otell,and□he□ncon□i□tencie□in□hei□a□□ountsonlya□□edtothemy□□eryofthemissingnin□.□/p> I□ves□igatorsle□rned□hattheg□oupha□beenf□i□ndsforyears,□□trece□□l□therehadb□entensionamo□gthem.Rumorsofdisagreement□and□□gument□duringthet□ipb□g□ntosurface,l□ading□uthori□ie□□ospec□late□het□erfo□lplaywasinvolv□d.□achme□berof□h□gr□uphad□di□ferent□toryt□tel□□□□dtheinc□nsiste□ciesint□eiracc□u□tson□yaddedtoth□mysteryo□them□□s□□gnine. □p>Inv□stiga□orslearn□□thatthe□□□uph□dbeenfriends□ory□ars,butrecen□l□there□a□b□ente□sionamongthem.Rumorsof□i□ag□eementsa□□argumentsduring□hetrip□egantosurface,□eadingautho□i□ies□ospecu□ate□hetherfoulpl□ywasi□v□lv□d.Ea□h□e□berofthegr□uphad□differentstorytot□ll,andtheinc□□si□tenciesintheira□coun□son□y□dded□ot□emy□te□yofthe□issi□gnine. I□vestiga□ors□ea□□e□thatthegroup□□dbe□nfrie□dsfory□ars,b□trecentlytherehad□een□ensionamongth□□.Rumorsofdisagreementsand□rgumentsduringthetrip□□gantosurfac□,l□adi□gauthoritie□tos□ecu□atewhet□er□oulplaywasinvolved.Eachmembe□ofth□gr□u□□adad□ff□r□□t□torytotell,a□dtheinconsistencie□intheiraccount□onlyadde□tothemysteryoft□e□issing□i□e. Investigatorslea□nedthatthegr□upha□beenfrie□d□foryears,bu□r□centlythe□ehadbe□□tensionamongthem□Rumorsof□isagreementsanda□gum□ntsd□□i□gthetr□pbegantosur□ace,leading□utho□i□ie□□ospeculatewhetherfoulplaywasinvolved.□ach□emberofthegrouphada□i□fe□□nts□orytotell,andthe□nconsiste□cies□ntheirac□ountsonlyaddedtoth□mystery□fthemissing□ine□