□□vestigator□learn□dthatthegr□uphadbeenfriendsfor□ears,butrecentlytherehadb□en□□nsion□□ongt□□m.Rumor□of□isagre□ments□ndargumentsduringthetripb□gantosurface,leadinga□tho□i□iestospeculatew□eth□rfo□lpl□yw□si□vol□ed.Eachmemberoft□egrouphadadiffer□ntstorytot□ll,an□th□□nconsistenciesinthe□□□cc□untson□yadd□□tot□e□ysteryofthemissingnin□. □nvestigators□earnedthattheg□ou□hadbeen□□iendsforyears,but□ec□n□lythe□eha□be□ntensi□namo□□them.□umo□sof□□sagr□□mentsandargume□tsdu□i□gthetri□begant□surfa□□□l□adin□autho□□ti□stosp□culatewhethe□f□ulplaywasinvolved.Eachmemberof□hegrouphadadifferen□s□ory□ote□l,andthein□onsistenci□□i□□□e□r□ccount□only□ddedt□□hemy□tery□fthemissingnine.□> Investigatorslearne□t□atth□□rouphadbeenfriend□foryears,bu□rece□□lytherehadbeentensio□amongthem.R□morso□disagr□em□ntsand□rg□□entsd□rin□t□etripbegan□osurfac□,leadi□gauthoritiestosp□□□latewhetherfoulpla□wasinvolved.E□ch□e□b□rof□hegroup□adadiff□ren□s□□□yto□ell,a□□theinco□si□□e□cies□nt□ei□ac□ountsonlyad□edt□themysteryof□hemissi□gn□□e□<□p> Inv□□tiga□orslearnedthatthegrou□□adbeenfrie□d□f□□years,but□ecent□ytherehadbeent□nsio□amon□them.Rumo□sofdi□agreementsandar□umentsduringth□tr□pbe□an□osurface,leadingautho□itiestospecula□ew□etherfo□□playwa□involved.Eachmemberof□he□rou□had□differen□□torytotell,and□heincon□is□enciesinthei□□c□o□ntson□y□ddedtothemy□ter□of□h□mi□si□gnine.<□p> □□v□stiga□orslea□□edthatth□gr□uphadbeenfrien□sforyear□,b□trecent□ytherehadbeentens□onamon□them.Rumorsofdisagr□e□en□san□argu□en□s□uringthetrip□□gantosurface□l□ad□ngauthoritiestospeculatewhetherfoulplaywa□invo□ved.□□c□□emberofthegrouphadad□□f□rentstorytotell,a□dtheincon□istencie□i□th□iracc□untsonlyaddedtothemystery□f□□emissingni□e. Investigatorslea□nedthat□heg□ouph□dbeenfr□ends□or□e□rs,b□trec□nt□yth□rehadbe□n□en□iona□ongthem.R□morsof□isagre□ment□andargume□tsduringthet□ipbegantosur□ace,l□ading□uth□rit□esto□pec□latew□eth□rfoul□laywasinvolved.Ea□hmemb□ro□thegr□upha□adifferent□tory□ot□ll,an□theincon□iste□cies□nth□i□account□onlyaddedtothe□yster□o□□hem□□singnine□