BYRON, Minn. (KTTC) -- Authorities are investigating a case of counterfeit cash in Byron.
The most recent incident happened September 26 at Kwik Trip. The $20 bill was discovered to be a fake when it was deposited at the First Security Bank in Byron.
A machine at the bank recognized a phony serial number on the bill, according to the Olmsted County Sheriff's Office.
This is the third case of counterfeit cash reported in Byron in September. Two counterfeit $20 bills were passed at Margarito's Mexican Restaurant and someone used counterfeit $20 bills to buy alcohol at Byron Market Place.