Colorado Revised Statutes Title 13. Courts and Court Procedure § 13-21-808. Effect of criminal drug conviction

(1)(a) A person against whom recovery is sought is estopped from denying participation in the marketing of illegal drugs if the person has a criminal conviction based on the same circumstances that are the basis for the claim for damages. Said conviction must be for other than mere possession of the specified illegal drug:

(b) Such a conviction is also prima facie evidence of the person's participation in the marketing of illegal drugs during the two years preceding the date of an act giving rise to a conviction.