Details of Tilikum's death at SeaWorld remain a mystery

ORLANDO, Fla. — As legally required, SeaWorld notified the federal government how its infamous killer whale Tilikum died: of bacterial pneumonia. Other details about his health and death, such as whether he had injuries, remain unknown. Animal welfare groups have been pushing for a release of Tilikum's full necropsy. Necropsies provide useful information that should be…