I□vesti□atorslearnedthatthegr□uph□dbee□frie□ds□oryear□□butrecentl□□herehadb□e□tensi□namo□gthem.Rumor□of□isagreemen□sandargument□dur□ngth□trip□egantosurface,□eadingauthoritiestospe□ulat□whetherfoulplaywa□invol□ed.E□chmemberofthegroup□adadi□fe□ent□tor□totell,□ndth□in□onsistenci□sinthei□a□co□n□sonl□a□dedtothemyste□□ofthe□issi□gnine.<□p> In□□sti□a□orsle□□ne□thattheg□ouph□dbe□□fri□□dsforye□rs,b□trecentlytherehad□eentensionamongthem.Rumorsofdisa□reementsandargumentsduringthetr□pbegantosurface□lea□ingauthoritiest□spe□ulatewhet□erfoulplaywasi□vo□ved□□achmemb□rof□h□gro□pha□□differents□o□ytotell,andt□ei□co□sistenciesi□theiraccountsonl□addedto□he□y□□e□yofthemissingn□ne□ Invest□gatorsl□arn□d□h□t□heg□ouphadbeenfriends□ory□ars,butrecent□ytherehadb□entensi□na□ongthem□Ru□or□o□disa□reementsa□da□gumentsduringthet□□□begantosurface,leadinga□t□ori□□□stospeculatewhet□□rfoulpl□ywa□invol□ed.E□chmembero□thegroup□adadifferen□story□ot□ll,andt□e□nconsistenciesint□eira□coun□so□ly□dde□t□themysteryofthemis□ingnine.□□p□ Investigatorslearnedtha□thegrouph□d□□e□fri□□ds□□ryears,b□trece□□□ytherehadbeentensi□namongthem□Rumorso□di□agreem□ntsandargumentsdur□ngthetrip□□gantosu□f□ce,lead□ngaut□□□itiestosp□culatewhetherfoulplaywasinvolve□.E□chmemberoftheg□□uphadadiff□rent□tory□otel□□andth□inco□sis□□nc□esintheiraccou□tsonly□□ded□oth□myster□ofthemi□singnine.<□□> Invest□ga□ors□earne□th□tthegro□p□adbeenfr□en□□for□□ars,b□□recently□h□r□h□dbeentens□ona□□ngt□em□Rumor□o□di□agreementsa□d□rgumen□□durin□the□ripbegantosur□□c□,le□dingautho□it□est□speculat□whetherfoulplaywasinvo□ved.Eac□memberof□hegro□phadad□fferentstorytotell,andtheinconsist□nciesinthe□raccount□only□ddedt□the□ysteryo□t□□m□ssi□□ni□e.