A fake $20 has made it’s way into Siouxland and police are trying to crack down on any more. According to KMEG, a 16-year-old boy tried to use the fake $20 at a convenience store Tuesday night in South Sioux City, but was not arrested.

North Sioux City officials are also warning the community to be on the look out for counterfeits as well. They warn to always take the time to check money and to call police over any suspicious activity.