Inves□igatorsl□□rnedtha□th□grou□hadb□enfriendsforyears,butr□centlyther□hadbeen□ensi□namo□gthem.Rumorsof□isagreement□an□argumentsdu□ingth□tripb□ga□□osurfa□e,leadingautho□□ties□ospec□□□tewhethe□foulplaywas□n□olv□d.Eachmemberofthegrouphadadifferen□story□otell,andtheinconsist□n□i□sintheiracc□u□t□onlya□dedt□themyst□ryoft□e□is□ingnine. Investigatorslea□nedthattheg□ouph□dbeenfriend□foryears□b□trecentlyth□rehadbeenten□ion□□□ngt□em.Rumor□ofdisagreementsandar□umentsd□ringthetripb□gant□su□fa□e,lea□ingautho□i□iestospeculatewhe□he□□o□lplaywa□□nvolved□Eachmembero□thegro□phadad□□ferentsto□ytotell,an□t□□inconsiste□cie□intheira□□o□n□sonlya□dedtothemy□teryof□hem□□□ingni□□.□> Investi□ators□earnedthat□h□□rouphadbe□nfriendsforyears,b□trecentlythereh□dbeen□ensiona□ong□□em.R□mo□sofd□sagreementsandargumentsduringthet□ip□□g□□tos□r□ac□,leadingauthoriti□stos□eculatewhe□herf□ulpl□ywasin□olved.Eachmembero□thegro□p□a□adifferents□□rytotell,andtheinc□□sisten□ies□nth□irac□ountso□lyaddedtoth□□ysteryo□themissin□n□ne.