9NEWS Investigates has learned the trucking company involved in Tuesday's fatal crash on Highway 285 has a history of violations over the past two years that raises questions about its safety and driver competence. Tuesday evening, investigators arrested semi driver Ignacio Cruz Mendoza, 47, on suspicion of vehicular homicide, vehicular assault, reckless driving and not having a commercial driver's license. Cruz-Mendoza's semi went off the edge of Highway 285 just south of Conifer on Tuesday, causing a load of heavy poles to crash on the pickup truck of 64-year-old Scott Miller of Bailey, killing him. Another driver was seriously hurt. Read more: https://www.9news.com/article/news/investigations/trucking-company-fatal-highway-285-semi-crash-violations/73-88f62318-60bb-4f2a-8769-8711259dc341 ----- 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.