I□vesti□ators learned □h□t the group □□d been friends for□years, but□recentl□ ther□ had been tension am□n□ them. Ru□ors of di□□gree□ents □nd arguments □□r□ng□t□e □ri□□began to surface,□le□ding□autho□ities□to□specul□te wheth□r f□ul□□lay wa□ in□olved. □ach m□mber of□□he grou□ had a □□□feren□ stor□ t□ tel□, and □□e□inconsist□nc□es in their a□counts only□add□□ to the mystery of the mis□ing n□ne.