01 Oct 2015 Home » News » Did Roseburg Oregon Shooter Post Warning on 4chan? Did Roseburg Oregon Shooter Post Warning on 4chan? Posted in News By Editor On October 1, 2015 This chilling post that has been archived, appeared on 4chan last night before a shooter, now identified as 26-year-old Chris Harper Mercer shot and killed 10 people and wounded seven at Umpqua Community College in Roseburg, Oregon. Related About Author admin Related Posts One Day in Gitmo Nation Congrats Adam & Micky! Rogue One: A Star Wars Story Leave a Reply Cancel reply Your email address will not be published.Comment Name Email Website Save my name, email, and website in this browser for the next time I comment. Please enter an answer in digits:7 + nine = Notify me of follow-up comments by email. Notify me of new posts by email.