The Florida Department of Law Enforcement is investigating an incident involving the Crestview Police Department after the death of a person in their custody. 28-year-old Keauntay McNabb was taken into custody around 5am yesterday after he was reported pounding on doors and yelling for help. Police said he was acting erratically and sweating profusely. Officers believed the man was overdosing on a drug and requested EMS to respond. Before they arrived he stopped breathing and was taken to North Okaloosa Medical Center where he was pronounced dead. The investigation is continuing.