Sign up for the daily CJR newsletter . On April 1, the MV Hondius , a Dutch cruise ship, departed the picturesque docks of Ushuaia, Argentina, bound on a luxurious expedition to the South Atlantic and Antarctica with a hundred and forty-seven passengers aboard. Less than a week into the journey, a seventy-year-old Dutch ornithologist named Leo Schilperoord fell ill with severe respiratory symptoms. Schilperoord’s death, on April 11 on board the ship, was initially attributed to natural causes. When the ship docked in Saint Helena, a British territory, to remove his body, twenty-eight others left the cruise, including Schilperoord’s widow, who flew to South Africa, but died before she could return to the Netherlands.…