(NewsNation) — Nolan Wells, the 18-year-old found dead after disappearing after a July 4 party on Mississippi's Horn Island, was heavily drinking before his death, witnesses claim. Advertisement AdvertisementWho was the last person to see Nolan Wells alive? Advertisement AdvertisementExpert disputes TMZ's enhanced audio claims in Nolan Wells caseThe MDMR's document cites Wells was also "in the company of an unknown female." 60 witnesses interviewed after Nolan Wells' deathAuthorities have suggested Wells' death was an accidental drowning, although autopsy results from the state's medical examiner are still pending. Nolan Wells' friends reportedly called for help from broken-down boatThe results of a private autopsy of Wells came back inconclusive.