Investig□to□□learnedthatth□□□ouphad□eenfriendsf□r□e□rs□□utre□ently□he□ehadbeentensionamo□gthe□.□umo□sofdisag□eem□ntsandar□um□ntsd□ring□h□tripbega□□o□□rface,leadingauthoritie□□os□eculatewhet□e□fou□pl□y□□sinvol□e□.Eachme□berofth□□roupha□a□□□□er□ntstor□t□tel□,andtheinconsistenciesi□t□e□r□cco□n□sonlya□dedtot□emysteryofthem□□sing□i□e. Inve□ti□at□rsl□ar□edt□atthegroupha□□□enfri□nds□□ryears,butrecentlytherehadbeentens□onamongthem□Rumorsofdisagre□me□tsandar□um□ntsduringt□etri□begantosurfa□□□lea□ingauthori□iestosp□culatewhether□oulplaywasinvolved□Eachmemberof□he□roupha□adifferentstoryt□tell□and□heinconsiste□ciesinthe□r□cco□ntsonlya□dedtothemysteryofthemissin□nin□. In□esti□□□□r□learnedthatthegrouphadb□enfriendsfory□ar□□bu□rece□tlytherehadb□entensi□namon□them□Rumo□sofdisagre□m□ntsanda□gum□ntsduringthetripb□gant□surface,lea□ingauthoritiest□speculatewhetherfo□□p□a□wasinvolved.Eachmembero□□hegrouphad□differentstor□to□ell,andtheinconsistencie□intheirac□ountson□yad□edtothem□steryof□hemissingni□e. Investi□ator□learne□□hatthegro□phadbe□nfriendsf□r□ears,□utre□entlythe□ehad□eentensionamo□gthem.R□mor□ofdisagreementsand□rgumentsdur□□gthetripbeg□□tosu□f□ce,leadinga□□h□□iti□stospeculatewhe□her□oulplaywasinvolved.Eachmemberofthegrouphadadifferentstoryto□el□,□ndtheincon□i□tenciesintheiraccount□□nlyadde□tothem□st□r□ofth□m□ssingnine.□□□□ Inves□igatorslearn□dthat□he□roup□adbeenfriends□oryea□□□□utre□e□t□yt□e□ehadbe□n□ensionamongthe□.Ru□□□□ofdis□greementsand□rgumentsduri□g□hetripb□gan□osu□face,l□a□in□a□tho□itiestospecu□atewhetherfoul□l□ywasi□vol□ed□Ea□h□embe□ofthegrouph□dadifferentst□ryto□ell,andthei□consisten□i□sintheiraccoun□sonl□added□□themysteryo□t□emi□singnine.