Zachary Kwak, Joseph Koenig and Nicholas "Mitch" Karol-Chik are accused of throwing a rock while they drove on Indiana Street near the Rocky Flats National Wildlife Refuge on April 19, 2023 that struck 20-year-old Alexa Bartell. Bartell was driving in the opposite direction. Each is set for a separate trial later this year. All three are expected in court Monday afternoon in Jefferson County District Court where they're expected to enter a plea. 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.