Inv□s□igatorsle□rnedtha□□hegro□ph□dbeenfr□en□s□oryears,butrece□tl□therehadbeen□ensionam□ngth□m.□umorsofdi□agreementsandargum□□tsduringthetrip□e□a□tosurface,le□dingauthoritiestospecul□t□whetherfo□□playw□s□nvolved.Eachmembero□thegrouphad□diffe□□ntstory□otell,□ndthei□consi□tencies□□th□ira□countson□□adde□tothe□□ster□ofthem□ssin□n□ne.□> Investigato□slea□n□dth□ttheg□ou□hadbeen□r□e□dsfory□ars,butre□entlythe□ehad□eent□nsionam□ngthem.Rumorsofdis□gr□em□n□sandargu□ent□duringthet□ipbegantosu□□ace,lead□ngauthori□ies□os□eculatewh□therfou□□laywasin□olve□.E□chmembero□thegroupha□adiffe□□n□□torytot□ll□andtheinconsi□te□cie□inthe□□ac□□□ntsonlyadded□othemys□eryofthemi□□□ngnine.<□p>□p>Inves□igatorslearnedthatt□e□rouph□□been□ri□□dsfo□years,butr□c□n□lythere□□db□entensionamongthem.Rumorsofdi□□greement□a□dar□□ment□duringthetripb□g□ntosurface,le□□ingauthori□iest□spe□ula□ewheth□rfou□□□aywas□nvol□□d□Each□em□erof□hegrou□hadadifferentstor□totell,andtheinc□nsistenciesi□th□iraccoun□so□lyadded□ot□emys□eryofthe□issingnine□□> Invest□gatorslear□edthatt□□□rouphad□e□nf□iends□oryears□butrecently□herehadb□e□□ension□mongthem.Rumor□ofdisagreeme□tsandar□□men□s□u□□ngthe□ripbegant□surface,lea□ing□□thoritiestospeculatewh□therfoul□laywasinvolved.Ea□hmem□□rofth□grouphadadiffere□tstorytotell,□nd□he□nconsi□tencie□in□heiracco□n□sonlyaddedtothe□yste□yofthemissingnine.