□p>Inves□ig□t□rs□learn□d that □he group had bee□ frien□s□for ye□rs,□bu□ r□□e□tly there h□d be□n □ens□on am□n□ them.□Rumors of disagreeme□ts□and argu□e□ts during□t□e trip□□e□an t□ surface,□lead□ng authorities □o specu□a□e whethe□ f□u□ play was□in□o□□ed.□Ea□h □emb□r of □h□ group had a □□fferent story □o tel□, and the inc□nsis□encies i□ thei□ acc□unt□□□nly □□ded to the mystery□of □h□ □i□sing n□ne.□>