□p>Investiga□ors le□rned that□t□□ □□ou□ h□□ been fr□ends for years, □ut recently□there□had been□tensi□n a□on□ them.□Rumors of di□agre□ments and argu□en□s during □he trip b□gan to s□rface,□□e□din□ authorities to speculate whether foul play□was□inv□lved. Each □□mb□□ of the□group had a different□sto□y to tell, □nd the incon□i□tencies i□ their a□□ounts on□□ ad□ed to□the myster□ o□ the□mi□sing nine.