In the days since the puzzling death of an 18-year-old, investigators have undertaken a painstaking effort to reconstruct the events that unfolded on Horn Island, a remote barrier island about 10 miles off the Mississippi coast.

Nolan Wells' parents seek clarity as mysterious discrepancies emerge around his final moments and interactions before his death.

A week ago, 18-year-old Nolan Xavier Wells took a boat trip with friends to celebrate the Fourth of July on an island off Mississippi’s Gulf Coast