Investigatorslearne□tha□thegrouphadbee□friendsforyea□s,bu□□ecentlyt□□r□hadbeent□n□io□amongthem.Rumorsofdisagr□ementsan□argu□□nt□duringthetripbega□tosurfac□,□e□d□ngauthoriti□st□□□ecula□ewhetherfoulpl□ywasinvolved.Eachmembero□thegrouphadadif□erentstoryt□tell□an□□hein□onsi□□e□ciesint□eiraccountsonlyadde□tothe□□st□ryofth□missin□nin□. In□estig□tors□earnedthat□h□grouphadbeenf□iendsforyears,b□trecentlythereha□b□entens□onam□n□them.Rumorsofd□□agree□ents□□dargumen□sduring□hetripbegant□su□face,lead□ngautho□itie□tospeculatewh□therfoulplaywasi□volv□d.Eachme□b□roft□eg□o□ph□d□□ifferen□storyt□tell,□ndtheinc□nsiste□ciesin□he□□accou□ts□nly□dde□tothemyste□y□fth□□i□singni□e. Invest□gat□r□le□r□e□□hatthegrouphadbeenfrien□sforye□rs,butr□c□□tlyth□□□□ad□eentensi□namongthem.Rumorsofdisagree□entsandargumentsduringt□et□□pbegantosu□face□l□adingauthori□i□stospeculate□heth□rfoulplaywasinvolved.Each□emberofthegrouphadadiffere□tstoryt□tell,andth□inc□nsistenc□e□i□□heiraccou□ts□nlyaddedt□th□m□st□r□□fthemis□i□gnine.<□p> Investigatorsle□rne□□hatthegro□phadbee□fri□ndsforyears□butrec□ntl□therehadbeen□ensionamon□them□□umo□sofdisagreementsan□argu□entsd□ri□gthet□ipbe□a□□os□r□ac□,leadingauthorities□ospe□ul□t□whethe□□o□lp□□ywasinvolv□□.Eac□member□fthegr□uphadad□ffe□e□□□torytotel□,andtheincon□i□te□ci□sint□ei□ac□ountsonl□adde□tothe□□s□eryo□th□□issingnine.<□□> Inves□igators□e□□ne□t□atthegr□uphadb□enf□iendsforye□rs,bu□re□ently□herehadb□e□tensionam□□gthem.□umorsofdisag□ee□entsan□a□g□mentsduringth□tripbeganto□u□face,l□adingauthoritiestospeculatewhether□oulplay□asinvolved.□a□□memberofthegrou□had□□ifferen□sto□ytotell,a□dt□ein□onsistenc□esintheiracco□ntsonlyaddedt□themyst□ryofthemissingnine.