9NEWS Psychology Expert Dr. Max Wachtel said there can be a difference between the suspect's mental state at the time of the shooting and at the time of the trial. Read more: https://www.9news.com/article/news/local/boulder-shooting/king-soopers-shooting-court-hearing-not-guilty-plea/73-8153fbe3-9cac-436b-a957-1af5ee3ac344 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 Twitter: 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.