Yes it will. Retain a locally situated criminal counsel in Colorado to review your criminal case and use appropriate measures to complete it. Also, the criminal record will definitely affect any of your future immigration applications, especially AOS.
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If what you are saying is correct, you were never convicted, and the cases were dismissed. Your criminal history will show that you were charged of these crimes, but it will never show a conviction.
I would still hire a criminal defense attorney to seal your case and an immigration attorney to handle the immigration process.
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I agree you need to speak with an immigration attorney, but you also need to confirm the status of your criminal cases. While Colorado law allows for sealing of your records if your case was, in fact, dismissed, law enforcement agencies will still have access to biographical information and the federal government would also have access to your records. You will definitely need the guidance of an immigration attorney to resolve these issues.