News release OSP. Members of Oregon State Police Klamath Falls Area Command have been investigating the use of counterfeit 20 and 100 dollar bills. The investigation; with cooperation of Klamath Falls Police Department, Klamath County Sheriff’s Office, and the United States Secret Service, is revealing other occurrences of these same bills. The bills appear normal, with poor paper quality. They have unique Chinese Characters printed on the front and back of the bills and are using bright pink or red ink. Investigators are not sure how these bills have entered the Klamath Falls Community, but have learned these same bills have been found throughout the Pacific Northwest and have been successfully used at area businesses to purchase goods. If you are in possession of one of these bills or have any information please contact your local law enforcement.