KILL DEVIL HILLS --
Authorities say they now aren't sure whether sharks killed a Pittsburgh man whose body washed up on a North Carolina beach last month.The Virginian-Pilot of Norfolk, Va., reported the North Carolina medical examiner's office first released a report Friday saying an autopsy and review of photos by marine biologists led experts to decide 60-year-old Richard Snead died from accidental drowning.
But a few hours later, officials said another researcher reviewing the death disagreed, saying it looked like shark bites killed the man.
Officials say they will now do a final review of the death that could take weeks.
Snead's body washed ashore on the Outer Banks about four days after he was last seen taking a late night swim in the ocean.
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