Inv□□□ig□to□s□□□rn□d□hatt□□grou□hadbeen□r□endsfory□ars,but□ecentl□□□erehadbeent□nsionamongthem.R□morsofdisa□reement□anda□gumentsdur□ngthetripb□gantosurface,l□adingaut□□ritiestospec□lat□whetherfou□□l□ywasinvo□ved□Eachme□berofthe□rouphadad□fferentstoryt□t□ll,andthein□onsistenciesintheirac□ountsonl□a□□ed□othe□yster□o□them□ssingni□□.□> In□estig□torsle□rnedthatthegr□uphadbeen□riendsforyears,b□tre□en□lyth□□□hadbeentensionam□ngthem.Ru□orsofdisag□eementsan□□rgumentsdu□ingthetr□p□ega□□osurf□ce,leadingauthori□i□s□os□eculat□whetherfoulp□□yw□s□nvolve□.Eachmember□fth□grou□h□d□differentstorytotell,a□dthein□onsistenc□esi□t□□ir□ccountsonl□addedtothemys□□ryo□th□□issingnine.□> Inve□tigators□ea□nedt□a□thegrouphadbeenfriends□oryear□,butrec□ntlyt□erehadbeent□nsi□namongth□m.Rumors□fdisag□eeme□tsandargume□t□duringthetripb□gantosurface,□□ad□ng□utho□i□iestosp□culatewheth□rf□ulplaywas□nvol□ed.Eac□memberofthe□ro□ph□□□□ifferentstoryto□ell,andtheinconsi□tenci□si□theira□□o□ntso□ly□ddedtothe□yste□y□fthe□issingnin□. □nvestigatorslea□ne□t□att□egrouphadbeenfr□endsforyears,but□ecentlyt□erehadbee□□ensionamongthem□□umor□ofdisa□reeme□tsa□dargume□tsdu□□ngthetr□pbega□tosurface,le□din□□uthori□iestospeculatewh□□herf□u□play□asinvolve□.Ea□□me□bero□thegroup□ad□□ifferentstory□otell,□ndtheincons□ste□c□esinthe□ra□□ounts□nlyaddedtothe□yster□o□themissingni□e.□> I□□est□gator□learn□dt□□□thegrouph□dbeenfrien□sfo□□ears,butr□ce□□□ythereha□be□n□□nsionam□ngt□em.Rumor□□fdisa□□e□ments□nda□gumentsdur□ngt□etripbegant□su□face,leadingauthoritiestospeculatewhetherfoul□l□ywas□n□olved.Eac□memberofthegr□up□adadiffere□ts□ory□otell,andtheinconsi□tenciesin□heiraccou□tsonlyaddedtothem□steryofthemissingnine.