GPS data from the Mississippi Department of Marine Resources, obtained by CBS News, tracks the movements of the boat that carried Nolan Wells to Horn Island on July 4.

A protest was held after the death of Nolan Wells, an 18-year-old from Ocean Springs, Mississippi, with demonstrators demanding more transparency in the case.

Mississippi teen Nolan Wells’ parents are desperately seeking the public’s help to find out what happened to their son.

Nolan Wells, an 18-year-old Mississippi football player, died last weekend following an all-day party on Horn Island, off the coast of Ocean Springs, his hometown.

Nolan Wells disappeared during a Fourth of July trip to Mississippi's Horn Island. His body was found two days later.

GPS data from the Mississippi Department of Marine Resources, obtained by CBS News, tracks the movements of the boat that carried Nolan Wells to Horn Island on July 4.

The family of Nolan Wells had previously alleged that messages seemed to have been erased from his phone before they got it back.

Investigators continue to piece together Nolan Wells' final hours on Horn Island as several questions and inconsistencies emerge in the case.