"The shooting was the 28th mass killing in the U.S. this year, according to a database maintained by The Associated Press and USA Today in partnership with Northeastern University." https://apnews.com/article/oregon-school-shooting-silver-rail-elementary-b0642ec5cd3da0db24227a2798e2c6ce?utm_source=app&utm_medium=iOS_share&utm_campaign=copy_link