Investigat□r□learnedt□atthe□rou□hadb□enfr□endsfo□years□butrec□ntlytherehadbee□□□nsiona□on□the□.Rumorsofdi□agre□m□ntsandargument□duringth□trip□□gantosurface□leadingau□horit□est□sp□culatewhethe□foulplaywasinvolve□.Eachmembero□th□grouphadad□ffer□ntsto□y□otell,andthe□nconsist□ncies□ntheiracc□unts□nlyadd□dtot□emysteryofthe□issin□n□ne. Inve□□igato□slearne□t□atthegr□uphadbeenfriendsforyears,□ut□ecentl□ther□hadb□ent□nsionamongthe□□R□mo□□o□disag□eementsa□darg□ment□durin□th□tri□□eganto□urface,□eadingautho□iti□st□sp□□ulate□hetherfoulp□□ywasi□□olved□E□chmemberof□hegr□uphadadiffe□entstoryto□ell□a□dt□□i□consistenci□sin□hei□accounts□□lyad□e□tothem□ster□of□h□missin□nine□□>□p>Inv□stig□□orslearned□hatt□□g□□uph□db□enfriendsforyears,bu□rec□ntlytherehadbeentensionamongthe□□Rumorsofdisagreementsand□rgum□nt□duri□gthetr□pbegantos□rface,leadingaut□or□□i□stospec□l□tewhether□oulpla□wasinvolved.E□chmember□□thegroup□□d□di□□er□□ts□□rytote□l,andtheinconsistenciesin□hei□accountsonlyadd□dtot□emyste□yof□hemis□i□gnine. Investigators□earn□dthat□heg□oupha□beenfriendsf□ry□ars,butrecently□hereh□□□eenten□ion□mo□gthem.Rum□rsofdisag□eementsandar□umentsduringthe□ripbegantosu□face,leadingauthor□tiestospeculatewhetherfoulplay□a□in□olv□d.□achmember□f□hegr□□p□a□adif□erentsto□ytotell,andtheinconsis□enciesin□h□iracco□n□sonl□ad□e□□o□□emy□teryof□□em□ss□n□□ine□