多名执法官员向CNN透露，一名16岁男性是一所小学致命枪击案的凶手，该案造成三名儿童和一名成年人死亡。枪手也已死亡。
Multiple law enforcement officers tell CNN a 16-year-old male was behind a deadly shooting at an elementary school that killed three children and one adult. The shooter is also dead.
首席执法与情报分析师约翰·米勒在《OutFront》节目中发布了这一消息。
Chief Law Enforcement and Intelligence Analyst John Miller breaks the news on OutFront.