Dateline

Season 21, Episode 31

Episode Title: Lost at Sea, Deadly Exposure

Air Date: 2011-06-24

Overview:

When a 38-foot empty Donzi boat is found making circles in the ocean with nobody on board, a mystery begins in the Bahamas. While hundreds of Americans die every year from accidental carbon monoxide, NBC News’ Kate Snow previews one case that police say was not an accident, but potential murder.