<□>Inve□□igator□learnedt□atthegro□pha□beenf□ien□sfo□year□□butrece□tlyther□h□db□entensionamon□□hem.Ru□o□sofdisagreementsand□rgument□du□in□thetripbegantosu□face,leadingautho□ities□ospeculatewhetherfoulplaywasin□□□ved.Eac□memberof□he□rouphadadiffe□□ntstory□otell,□nd□heinco□siste□ciesinthe□racc□untsonly□d□edtothemys□eryofthemi□sin□nine. Investigato□□learnedthatthegrouphad□eenfriendsfory□ars,butr□□□ntlyt□ereh□□bee□te□sionamongt□e□.Rumo□sof□isagr□ementsan□argu□entsduringth□tripbe□an□□sur□□ce,l□ad□□gauthorities□□spec□lat□wh□t□□rfo□lp□aywas□nv□lved.Ea□□m□mbero□thegroup□adadiffe□entstorytotell,an□t□eincons□□te□cie□intheiraccountsonlyaddedtothemy□t□ryofth□miss□n□nine□ Investig□torsl□arn□□tha□thegr□u□hadbeenfriendsfo□years,b□t□ec□ntlytherehadbee□tension□mo□gthem.Rumorsofdisag□eemen□sandar□□men□sduringt□etripbegantosurface,lea□ingauthorit□es□ospec□lat□whetherfoulpl□□wasinv□lved□□□chmember□fthegrouphada□ifferent□t□rytotel□,andtheinc□□s□s□encie□□n□heiraccountson□y□d□□d□othemy□t□ry□ft□□miss□ng□□ne□ Inv□stigatorsle□rnedthatth□□rou□□□dbe□nfr□en□sforyears,bu□r□centl□t□erehadbeente□sionamongthem.Ru□o□so□disagreem□ntsandargum□ntsdur□ngt□□tripbegant□□urf□ce,□eadingauthorities□os□e□ulatewh□ther□oulplayw□sinv□lve□.□achmemberofthegrou□hada□□f□erentstorytotell,and□heinconsiste□ciesinth□iraccountsonlyaddedtothemys□□ryofth□mis□ingnine□