A group that monitors hate speech and extremism alerted the FBI in July to disturbing internet posts and activity that have now been tied to the 16-year-old Evergreen High student who shot two classmates last week before taking his own life, 9NEWS Investigates has learned. Read more: https://www.9news.com/article/news/crime/evergreen-colorado-school-shooting-fbi-tip/73-9e393167-b4b1-4aaa-ab04-ae1442730367 ----- 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.