SIOUX FALLS, S.D. (KELO AM) - Police say there are more counterfeit twenty dollar bills showing up at Sioux Falls businesses.
Lieutenant John Duprey says the latest attempt was at the Family Dollar Store on East Tenth.
Duprey says the alert clerk used a special pen to determine the was a phoney. Police remind area clerks to carefully check the currency they handle in everyday transactions.
Duprey says the suspect fled without the merchandise.