Inv□st□□ators□lea□ned t□□□ th□□g□oup had □een friend□ □or years,□but recently □here□h□d be□n te□sion□amo□g them. Rum□r□ of □□sa□r□ements and arguments during th□ t□ip □egan to surface, □eading authorities to□speculate□whether□foul play was□involved.□Ea□□□mem□er of the group had a different story□to tell, and the inconsistencies □n their ac□o□□ts only added to□the myst□ry □f□the missing nine.<□p>