□p□Inves□igators lear□ed □hat the grou□ had been f□ie□ds f□r□years, b□t r□cently there □ad been tensi□n among them. □umors of d□s□greement□ a□□□argu□ents□during the trip bega□ to □urface, leading a□thoriti□□ to speculate □□e□her foul play was involved. Each□member of□□he g□oup h□d a di□fer□nt st□□y t□ te□l□ and the inc□□sistenci□s in their account□ □nly a□□ed to the □ystery of t□□□mis□in□ □ine.