Grand Teton responds to new information in search of missing hiker GTNP 27-year-old man Cian McLaughlin MOOSE, Wyo. (KIFI) — Grand Teton National Park received additional information about missing 27-year-old hiker Cian McLaughlin. A Jackson resident who recently returned from an international trip came forward with new information. The reporting party said they saw McLaughlin on Tuesday, June 8, in the late afternoon/early evening on the trail on the south side of the Bradley/Taggart moraine. The individual reported McLaughlin was headed south towards Taggart Lake and had a conversation with McLaughlin where he described where he worked, that he’s from Ireland and currently living in Jackson. The reporting party continued hiking towards Bradley Lake and did not see McLaughlin again that evening.