<□>Investigato□s□learned that the group□had □een friends fo□ yea□s, but recen□ly the□□ had □ee□ □□nsion □□ong □hem.□Rumors of dis□greements □n□ □rgum□nts du□ing □h□ trip began to surface, □eading□□uth□rities to□speculate□□het□er foul pl□y was involved. Each member □f t□e g□oup□ha□□a diff□rent□stor□ to□tell□□□nd □he□inconsiste□c□es in their□□cco□nts o□l□ □dded□to the mystery □f the missing n□ne.□/p>