The Jefferson County Sheriff's Office said the suspect – a teenage boy who attends the high school – shot two others and then himself. Read more: https://www.9news.com/article/news/local/colorado-news/evergreen-high-school-police-activity/73-5cd88208-53b6-461c-96d3-f10ae4c7d1fe ----- More local videos here: https://youtube.com/@9news Subscribe to NEXT: https://youtube.com/@Nexton9NEWS Stay connected: 9NEWS Website: https://www.9news.com/ Facebook: https://www.facebook.com/ilike9news X: https://twitter.com/9NEWS Instagram: https://www.instagram.com/9newsdenver/ Download the 9NEWS App: https://www.9news.com/appredirect/ Sign up for the 9NEWSLETTER: https://www.9news.com/email 9NEWS (KUSA) is located in Denver, Colorado.