Inve□tigato□s□ear□edthat□hegrouphadbe□nfrien□s□oryear□,□utr□centlyth□rehadbeente□si□□am□ng□he□.Rumor□o□□isagreementsandar□umentsdurin□thet□i□□ega□tosu□f□ce,lead□ngauthoritiestos□eculatewhet□er□oulplay□as□nvolv□d.E□□□□embero□thegroupha□adifferen□s□□rytotell,andthei□c□ns□s□e□ciesint□eiraccou□tsonl□a□dedtothe□ysteryoft□□mis□ingnin□. Inv□s□igatorslearne□th□□thegrouphadb□enfrie□dsforyears,bu□recentlytherehadbe□n□□□siona□□□gthem.□□m□r□o□d□sagre□m□nt□□ndarg□men□sduringthetripbeganto□urf□ce,leadi□□autho□itiestospec□latewh□therfoulpl□y□asinvolved.Eachm□mbe□of□heg□ouphad□differe□tstorytot□ll,and□heinc□□sist□nc□esin□heiracco□ntsonlya□ded□ot□emys□eryofthemi□si□gni□e. In□est□gatorslear□□dthatthegro□pha□b□enfriend□fory□ar□,butrecent□ytherehadbeentensionam□ngthem□Rum□rso□□isag□ee□entsandarguments□ur□□gthetripbega□to□urface,□eadingaut□oriti□stospe□ulatewhether□oulpl□y□a□involved□□achmemberofth□grouphadadiffere□t□torytotell□an□thei□□onsistenciesint□eiracco□ntson□yadde□□othemyst□r□o□themissingnine. I□vest□gatorslearn□dthatt□egrouphadbeenfriendsfor□ears,bu□r□c□nt□ytherehadbeen□ensionamongth□m.□u□orsofdisagr□□me□□sanda□g□□entsdu□ingthetripbega□tosurface,leadi□g□uth□r□□iestospecul□tewhet□□rfoul□layw□sinvo□ved.Eachmemberofthegro□□hadadif□ere□t□tory□otell□andt□ei□cons□sten□iesin□he□racco□ntsonlyaddedto□□□mysteryofthemissing□ine.