A 6-year-old boy was found dead in the frigid waters of Oregon 's Yaquina Bay after his mother told police she threw him off a bridge Monday evening , authorities said . NEW : The mother has been arrested on murder , manslaughter charges . NEW : Jillian Meredith McCabe , 34 , arrested with bail set at $ 500 . The Yaquina Bay Bridge is more than 100 feet above the water . Woman told police she threw her son off the bridge , police say .
NEW : The mother has been arrested on murder , manslaughter charges . NEW : Jillian Meredith McCabe , 34 , arrested with bail set at $ 500 . The Yaquina Bay Bridge is more than 100 feet above the water . Woman told police she threw her son off the bridge , police say .