<□>Investigat□rs lear□ed that□□he gro□p h□d □ee□ fr□ends for yea□s, □□t r□□□n□l□ ther□ □ad□been tension among □hem. Rumors of d□sagree□□nts an□ □r□ume□t□□□ur□ng the□tr□p beg□n □o□surf□ce, l□adin□ autho□iti□s□□□ specula□e□whether f□□l p□ay was□□nv□lv□d. □ach □□m□er of th□ gro□p□had a differ□nt st□□y to te□□, a□□□t□e inco□sistencies in th□ir a□counts only added to the mystery of the missin□ nine.