□p>□nvestig□tors lea□□ed that the grou□□had □□□n fr□ends for year□, but r□c□ntly there□had □e□n tensio□ among t□em. Rumo□s of disagreement□□and arguments during th□ trip began to□surface,□leadin□ au□horiti□s□to□speculate □heth□r □o□l play was invol□e□. Each m□mber of t□e gro□□ had a di□fer□nt story t□ tel□□ an□□the inconsi□ten□ies in their □cco□nts o□ly add□□□to the mystery of the □□ssing nine.<□□>