Officials say Horace Johnson of Albany, Georgia, died late Sunday morning, about six hours after being hit in the 6200 block of Thomas Drive.
Authorities are trying to find a dark-colored car with some suspicious damage.
Investigators say Johnson and a friend had gotten up early Sunday morning, intending to go deep-sea fishing later in the day.
They say Johnson was hit while walking a few feet behind his buddy, who sustained minor injuries.
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