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□p>Inve□tigators□learned that th□ □roup □ad been frie□d□ □or years, but recently th□re□had□b□en tensi□n a□ong them. □umors of disagreements□a□d □□guments during the t□ip began□to s□rface, le□ding authorities to speculate w□ether foul□play w□s i□□olved. Each mem□e□ o□ th□ group had a d□ffere□t stor□□to □ell, and th□ i□consistencies in their a□counts onl□ add□d to □he mystery of□□□□ missing nin□.