Investiga□orslearnedthat□□egrouph□dbeenfriendsforyea□s□bu□rece□tlyth□rehadbeen□ensionamongt□□m.Rum□rsofd□sag□eem□nts□ndar□ume□t□durin□thetripbegan□osurface,lead□n□authorities□ospeculatewhetherfoulplay□asinvolv□d.Eac□memberofthe□rouphad□□iffe□e□tstoryto□ell,and□hei□consis□enc□□sinthei□accountson□yadded□othemyste□yofthemis□ingnine.<□p□<□□In□es□igatorslearnedthatthegrouphadbee□frie□dsforyears,butre□ently□h□reha□bee□te□□□□namong□hem.Ru□orsofdisa□□eementsa□dargum□ntsduringthetripbe□ant□su□face□lead□ngau□hori□□es□ospeculatewhet□erfo□l□laywasinv□lved.□achmembe□of□hegrouph□da□ifferents□orytotell,andthe□nconsist□n□ie□in□hei□ac□ountson□yadded□oth□□yste□yofthe□issingnine.<□p> □nves□igatorslearnedt□atthegrouphadbeen□rien□sforye□rs,butrecentlyth□rehadbeent□nsion□□ongthe□.□um□rsofdisa□r□eme□tsanda□□umentsd□r□ngt□etri□b□ga□t□surface□leadi□gauthori□iestos□□c□la□□w□eth□rfoulplaywasinvo□ved.Eachm□mberoft□e□rou□hada□i□□erents□□ryto□ell,andt□□inconsi□□e□c□esinth□□racco□nt□onlyadded□□t□emyst□ryofth□□issingn□ne.□> Investigatorsle□rnedthatthegrouphadbe□nfriend□foryears,butrecentlyth□rehadb□enten□io□□mongthem.Rum□r□ofdisa□reementsa□d□rgument□dur□n□□hetripb□gantosurface□leadi□□authoritiestospeculatewh□th□rf□ulpla□w□si□volved.Eachmemberof□□egrouphadadiff□rentsto□ytot□ll,andtheinconsistenci□sintheiracco□□tsonly□dd□□tothemysteryofth□mi□si□gnine.