□nv□stigator□learnedthatthe□roupha□b□enf□ie□ds□□ryears□butrece□tlytherehadb□e□tensionam□ngthem.□umorsofdi□a□reements□ndargumen□□du□ingthetripb□gantosurfac□,□□ad□ngauthorit□estosp□culatewhe□herfoulpl□ywasinvolv□d.□achm□mberofthegrouphadadifferents□or□□o□□ll,an□thei□consistenc□es□ntheira□□ountsonly□ddedtothe□yst□ryofth□miss□ngn□ne. Inves□igato□slea□nedthattheg□ouphad□eenfriends□oryears,□ut□ec□n□lytherehadbee□tensionamon□them□Rumorsofdi□agr□ementsand□rgument□□uri□gthetripbegantos□rf□ce,l□adingauthori□iesto□peculatewhetherfoulp□aywasinvolved.□ac□member□□thegroupha□adif□erentstorytotell,andtheinconsiste□cie□inthei□accou□□□onlyaddedtothemysteryofthemissin□nine□ Inve□□igat□rslearn□dthatt□e□r□u□h□d□eenf□iendsf□ryears,b□t□ece□tlyth□re□□dbeente□sion□mon□th□□.Rumor□ofd□sag□□e□entsandargu□entsduringthetr□pb□□antosurface,□eadingauth□rit□estospeculat□w□□therfoulp□a□w□sin□o□ved.Eachmemberof□hegrouphadadifferents□oryt□tel□,and□he□□con□i□tenciesint□eiracco□ntsonlyad□edtothemyste□yofth□mis□ingn□ne. Inves□ig□torslea□nedthat□hegrou□h□□b□enfr□endsfor□ear□,butrec□ntlythe□ehadbeen□en□ionamo□gthe□.Rumor□o□dis□greements□ndargumentsduringt□et□ipbegantosurf□□e,leadin□a□thorit□estos□eculat□whe□herf□□lpl□y□□si□volve□.Ea□hmemb□rofthegro□ph□dadifferentstorytotell,□ndth□inconsi□tenci□□i□t□eiraccountsonlyaddedto□hemys□eryofthemissing□in□.