I□vesti□a□o□s □□arned that th□ group had been frie□ds□□or□y□a□s,□but re□en□ly□there had □een t□nsion amon□ them. □□□o□s o□ disa□reemen□s□and argume□t□ during the tr□p bega□ □o s□rface, le□ding□author□tie□ to s□□culate whether f□ul play was invo□ved□ Each member of the□gro□p had□a di□ferent □to□y to tell, a□d □he□inconsistencie□ in th□i□ a□counts only ad□ed to the □□stery of the m□ss□□g nine□