□□p>□nve□tigators learned□that the grou□ □ad been f□iends fo□ years, but re□e□□l□ t□ere had been t□nsion amon□ th□m□□Rumors□of di□agree□ents and argument□ □uring the trip began□to s□rface, leading au□horitie□ □o□spec□late □heth□□ foul play □as □nvolved. Each□mem□er of□th□ grou□ ha□ a different story to te□l, a□d th□□inconsistencies in their accounts□on□□ □dded to the mys□ery of □□e□mi□sing nine.□/p>