<□>Investiga□orslearne□t□atthe□roup□adbeenfriendsforyears,butr□□□ntlythere□adbeentensi□namon□th□m.R□m□rsofdi□agree□entsand□rg□ments□uringthet□ipbega□□osurfac□,lea□ingaut□ori□iesto□□ecula□ewheth□rfoulpla□wasi□volved□Eachmembero□thegr□uph□dadi□f□rentstorytotell,an□theincon□istencies□nt□eiraccountsonlyaddedt□□hemysteryofthemi□singnine.<□□> Investi□atorslearned□hatt□□gro□ph□dbe□n□riends□oryears,butre□entl□□h□r□hadbeent□nsionamo□g□hem.Rumo□so□disagreem□n□sand□r□ume□□sdu□ingthetripbeg□n□osu□f□ce,□e□d□ngauth□ritiestospeculatew□etherfoulpla□wasinvol□e□□□□chmemb□rofthegrouphadadifferentstoryto□ell,andtheinco□sistencie□□ntheiracco□ntsonlyadded□othemyste□yo□themissi□□nine. I□vestigatorslea□nedthatth□□r□□□ha□beenf□iendsforyears,bu□recentlytherehadb□entension□m□ngthem.Rumo□□ofd□sagreementsandargu□□n□sduri□gthe□ripbegantosurfa□□,le□di□□aut□ori□iestospe□ul□tewhethe□fo□l□laywasin□ol□□d□E□chmemberofthegr□uphadadifferentstorytotell,andt□einconsistenc□e□intheiraccountsonlyaddedtothemyster□ofthem□ss□ng□ine.<□p>