Police and federal agencies executed a search warrant on Wednesday at an Aurora house that had been the target of a monthslong drug investigation, according to the Denver Police Department. The investigation of the house in the 1800 block of South Olathe Street revealed a large-scale fentanyl operation. Agencies recovered pill-making equipment, suspected fentanyl and firearms, police said. Read more: https://www.9news.com/article/news/crime/aurora-swat-shelter-in-place/73-5f959b84-18cb-4638-ad37-042cb35c53b5 ----- 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.