I□vestiga□□rslearne□tha□thegro□p□adbee□f□ien□s□oryear□□bu□recen□lytherehadb□entensionamongthe□.Rum□□□□□d□□ag□□ementsand□rguments□□□in□t□et□ipbeganto□urface,leadi□gautho□itiestospecu□atewhet□□rf□ulpla□wasinvolved□E□chmember□ft□egrouphadadif□erent□tory□□tell,and□h□inconsistencies□n□he□rac□oun□□□nlyadd□dtothemysteryofthem□□singn□ne□ Inv□□tigatorslearnedth□tthegroup□adb□enfr□en□sforyears,but□ecentlyt□erehadbeentension□mong□hem.Ru□ors□fdisagreement□an□a□gumentsduringthetripbegan□o□urface□leadingauthoritiestospecula□ewhetherfoulpl□y□as□nv□□ved.Eac□memberof□hegro□ph□dadifferent□torytotell,and□hein□onsistenciesint□eiraccountsonlyaddedtothemysteryoft□emiss□ngnine. In□estigators□□arnedth□tthegrouphadbeen□riendsforye□rs□butrecent□yt□e□□hadbe□n□ens□o□amon□them.Rumor□ofdi□agree□□□□s□□darg□ment□□urin□□□e□ri□begantosurface,lea□in□auth□riti□stosp□cul□tewhether□oul□laywas□n□ol□□d.□achm□mb□rofthegro□phad□di□ferentstorytot□l□□andthe□nc□□□istenciesinthe□racc□unt□onlyadd□dtothemysteryo□themis□in□n□ne. Investi□atorsle□rn□d□□atthegrouphadbe□nfriendsforyears,butr□centl□th□re□□□b□□ntensionamon□them.Rumorso□dis□greementsand□rgumentsduri□g□□etri□□eganto□urface,leadi□gau□horiti□□t□specula□ewh□the□□oul□□aywas□nvolve□.Each□emberofthegrou□□ada□i□fe□□ntstor□totell,andtheincons□stenciesi□th□iraccountsonlyaddedtothem□ster□□ft□emissingnine.