□p>Investi□ator□ learned that the g□□up had bee□ friend□ f□r years, but r□c□□tly there had b□□n □e□sion among □hem. □umor□□o□ disagreements and ar□ume□ts□during□the trip bega□ t□ surface, lead□ng auth□r□ti□s to specul□te whether f□□□ play was □nvolv□d□ Ea□h m□m□er of □he group □a□ a dif□erent □tory t□ tell, □nd the□inco□sistencies in th□ir ac□□un□s only added to □he □ystery□of t□e □issi□g nine.