□p>Investigato□s□earn□dtha□th□grouph□□bee□friendsf□r□ear□,butre□entl□therehadb□e□tensionamongthem.□u□o□sofdisagreem□ntsandargumentsdur□ngthe□ripbegantosu□face,□eadi□gautho□itie□tosp□culatewhethe□fo□lplaywasinvolved.□□chme□berofthegrou□h□□□di□□erentsto□□totel□,andtheinc□nsistenc□es□ntheiracco□ntsonlyaddedtothemyste□yofth□□i□singn□□e. □p>Investig□t□rs□e□rne□that□hegr□uphad□eenfriend□fo□years,butrecentlytherehadbeent□□sio□□mongthem.Rumo□sofdisagre□mentsa□dargu□entsdurin□□he□ripb□g□n□os□r□□ce□leadi□□□□thorities□o□pe□ulat□□heth□rfoulplaywasinvolv□d.Eachmem□□rofth□g□□up□ad□differentstorytotell,andtheincon□is□enciesi□theira□c□untsonlyadd□dto□□emy□ter□oft□□□issingnine.□>□p>Inve□ti□at□rslearnedthat□he□roup□adbee□□riendsfory□ars,bu□recentlytherehadbeenten□ionamongt□e□.Rumor□□fdisag□eement□andarg□mentsduringthetripbega□tosurface,le□dingauthorit□estospeculate□heth□rfoul□□ayw□sin□olved.Eachmembe□ofth□grouphadadifferentsto□ytotell,andthei□cons□stencie□in□heiraccou□tson□yaddedtothe□□st□ryoft□emissingn□□e.