<□>Investigators learned that □h□□gro□p had be□□ fri□nds for years, but recently □here□h□d been□ten□ion□among th□m. Rumors of□di□agree□ents and argume□□s d□ring□the tr□p□began to sur□ace, leading□aut□ori□□e□□to□s□ecu□ate w□ether□fou□ pla□ was invo□□ed. E□ch member of□the□group had □ different □□or□ to tel□, a□d t□e incon□istenci□□ in thei□ acco□nts□onl□ □dde□ to th□□□y□ter□ of the missing nin□.