O□e witness cam□ forward□ cl□i□in□ t□□h□ve s□en a mysterious man □□rking□near the □roup's □ampsite in the days□lea□ing up t□□□heir disappearance. Th□□individual described the □an as □a□l and □mpo□ing, and □he□e□□ere repor□s of□heated con□ro□tatio□s be□ween hi□ an□ the mi□□ing gr□up.□C□uld this stra□ger □old th□□key to s□l□in□□the mystery□□or was□he ju□t□a□red □e□ring in t□e□case□第二□:刀光剑影