□nves□igat□rs learne□ that □he□gr□up□ha□ b□□□□frien□□ □or years, but r□c□□t□y there□had been tens□on a□on□ t□□m. R□mors □□ disagr□□me□ts□and argume□ts dur□ng □□□ trip b□gan to□surface, □eading authori□ies to sp□culate whether foul play w□s involved. Eac□ memb□r of □□e group ha□ a different story to tell, and □he inc□nsisten□ies in th□ir a□counts only add□d to □□e mys□ery of □he missing n□ne□初□的甜蜜
现□背景的融入