□p>Inv□stig□to□□ lea□ned□that□th□ □□oup h□d been □riend□ for years, but rec□□tly □□ere had be□n □□nsi□n□□□o□g them.□Rumors□□□ disagree□ents a□d□□rgu□ents during □h□□trip□began□to su□□ace□ lead□ng authoritie□ to speculate whe□□er foul play □as invol□ed. Each m□mber o□ the group h□d a dif□erent story to tel□, an□ □he in□o□si□□enci□s in their □ccount□ only added to the myste□y of the miss□ng □ine.□>