<□>□nvestigator□□learned that the gr□up had been f□iends for yea□s,□but recently□□□e□e □ad been tension among t□em. Rumors of disagreements and ar□ume□ts during□the trip bega□□to s□rface, leading□aut□orities to spe□ula□e whether foul play was □nvol□ed□□Each member of the grou□□□ad □ d□ffe□ent stor□□□o te□l, an□ the□in□onsistencie□ in their accou□ts o□l□ added□□o the myst□ry of the □is□□ng n□ne.