‘Hero’ mom dies after using last strength to save 4-year-old son from Florida river By Latest & Breaking News on Fox News Comments Off on ‘Hero’ mom dies after using last strength to save 4-year-old son from Florida river 3 Min Read Nicole Grayson, 43, jumped into the St. Johns River at Ed Stone Park to save her 4-year-old son, using all her strength to keep him above water.