Investigatorslear□edthatth□g□ouph□dbe□nfri□ndsforyears,butrec□□t□ythere□adbee□□ensiona□on□th□m.Ru□or□ofdisagreementsandar□u□en□s□□□ingthetrip□e□antosurface,leadingauth□rit□estospecula□ewheth□rfoulplaywa□□n□□lved□Eachme□be□of□hegrouphad□d□ff□ren□storytotell,a□□t□e□ncon□istenciesinth□iracco□nt□onlyadd□□to□hem□steryo□themissi□gnine. Investigator□learnedthat□hegro□ph□dbe□□friendsf□ryears,□utrecentlytherehad□eentensiona□ongth□m□Rumo□sofdisagreements□□da□g□m□ntsduri□□□hetripbe□a□t□surfa□e,lea□inga□thoritiestospec□latewhetherfoulpla□□asinvolved.Ea□hmembero□thegr□□phadad□ffe□entstorytot□ll□□ndtheinc□n□i□ten□ies□n□he□raccountso□lyadd□dt□□□emysteryofthemissin□n□ne.□/p□ Inves□igatorsl□arne□thatthegrouphadbeenfr□endsforyears□□utrecentl□th□rehadbeen□ension□mongthem.□umor□of□is□greement□andargumentsdurin□th□tripbegantosurf□ce,leadin□aut□or□ties□ospeculatewhe□herf□ulpla□wasinvolv□d□Eachmemberofthegroup□adadiff□r□ntstorytotel□□andth□incons□stenc□esi□□heiraccountso□ly□dded□othemyster□ofth□mis□ingnin□. Inves□igat□rslearnedthat□□egrou□ha□□eenfri□ndsfo□□e□rs,butrecen□lythereha□beenten□ionam□ngt□em.□umorsof□isagreementsandargu□en□sdurin□thetripbe□antosurface,l□adingaut□or□ti□stosp□cula□ewhether□ou□p□aywasinvolved.□achmemberoft□egrou□hadadiffe□entst□□ytotell,□ndtheinc□nsistenciesinthei□accou□tsonlyaddedtothemy□□□ry□fth□missi□gnine. Investigator□□earn□dth□tthegro□□hadbee□f□iend□foryear□,□ut□ecen□lytherehadbeenten□ionamongthem□□umo□s□fdis□greemen□sandargu□e□ts□urin□thetripbegantosu□face,leadi□gauthori□□estospecu□atewhetherfou□□layw□□invo□ved□E□chme□berofthegrouphadad□f□□r□n□s□orytot□l□,and□heinc□n□is□enciesintheirac□□untsonlyadde□tot□emyster□ofthemissingnine.