□nve□tigators lear□ed t□□□ □he group□had □een f□□ends for years, but recently there□had been □e□sion a□□ng t□em. Ru□or□ of disagr□ements an□ argumen□s du□in□ the t□ip began to s□rfac□, leading author□□ies t□ s□eculate wh□ther □oul play was involved. Each m□□ber of the gr□up had □ di□ferent story to tell□ and t□e incon□iste□c□□s in □heir account□□only added□to t□e mystery of the miss□ng n□ne.<□p>