Norway's Alexander Dale Oen, pictured in 2011. Authorities are still probing the cause of world champion swimmer Alexander Dale Oen's death after an initial autopsy was inconclusive, authorities in ... more 

Norway's Alexander Dale Oen, pictured in 2011. Authorities are still probing the cause of world champion swimmer Alexander Dale Oen's death after an initial autopsy was inconclusive, authorities in Flagstaff, Arizona said less