□□vestigatorsl□ar□e□t□□□thegroup□adbeenfriends□o□years,b□tr□c□ntl□thereha□b□□nte□□ion□□ongthem.Ru□orsof□is□greem□□□sandargum□ntsd□□□□gthetripbegan□os□rface,l□adingauthoritiestospec□late□he□her□oulplaywasinvol□□□.Ea□hme□be□oft□egrouphadadifferen□storyto□ell□andthe□□cons□□t□nciesinth□ir□c□ount□□nlyad□ed□oth□m□stery□fthemi□sin□□ine. Inve□□igator□□□arn□dtha□the□rouphadbee□friendsforyears,butrecentl□t□ere□adbeent□nsionam□ng□hem□Ru□orsofd□□□gre□□entsan□arg□m□ntsdur□ngthetripbeganto□urface,le□d□ngauth□riti□stospe□u□atewhetherfoulplayw□sin□□□□ed.Eachmem□□□ofthegroupha□□differentsto□ytote□l,andtheincon□i□t□nciesintheiraccountson□yaddedto□he□ysteryofthemis□ingnine.<□p> Inves□ig□tor□learnedthatthegrou□□adbe□nfriend□f□rye□rs,butre□entlythereha□beentensionam□ngthem.Rumorso□disag□eement□an□argument□duringthetripbegantosu□face,lead□ngau□horitiestospeculatewhe□he□□o□lplaywasinvo□□ed.Eachmemb□ro□th□g□ou□hadadiffer□ntstory□otell□andtheinconsisten□iesinthe□raccount□onlya□dedtothemyste□yofthemissingn□ne. I□vestig□torsl□arnedthatthe□r□□ph□dbee□□riendsf□ryears□butrece□□lytherehadbee□tensionam□ngthem.Rumorsofdisa□reementsandarguments□□□ingthetripbegant□sur□ace,leadin□aut□□ri□iestospeculat□whether□ou□playwasinvolved.Eachm□mberoftheg□□uphadadifferentst□rytote□l,andtheincons□ste□ciesintheira□count□o□lyadded□othemyste□□o□themi□singnine□