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Lead Investigator, Metro-St. Louis Division
Warren Herring has 27 years of experience in the Illinois State Police (ISP). He started his career in patrol at the Collinsville, Illinois, District 11 headquarters and was promoted to Sergeant and Master Sergeant. He has worked in Internal Investigations, Criminal Investigations, Medicaid Fraud Investigations, and the Metro East Auto Theft Task Force. Warren Herring has been with The ROSS Agency since 2016.
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