□□p>In□estigators learned□that t□e group had□been□friend□ for□yea□□, but□rec□n□ly□the□e ha□ been te□si□□ □mong □hem. Rumors o□ d□sagr□eme□□s and arguments d□ring the trip □□gan to □urface, l□ading au□horities to□spe□ulate w□□ther fou□ pl□y w□s involved. □ach membe□ of t□e□group had a dif□erent story to te□l, and□the inconsi□tencies i□ th□i□ accou□□s on□□ adde□ t□ the myst□ry of th□ missi□g nine.