Secret Witness is offering a $500 reward for information leading to the arrest and prosecution of the suspects involved in passing counterfeit currency in Carson City. The Carson City Sheriff’s Office, and the United States Secret Service, is investigating an incident in which three adult males passes counterfeit currency at a convenience store on 5th street in Carson City. Anyone having information relating to this crime, or the suspects can pass it on to law enforcement, and remain anonymous by contacting Secret Witness at 322-4900.