The U.S. Secret Service and Flowery Branch Police Department are investigating and making arrests in an alleged counterfeit operation. As of Tuesday, a Flowery Branch man and woman had been charged, and the investigation “is continuing to identify other co-conspirators,” according to a press release from Flowery Branch police Lt. David Spillers. Authorities arrested Justin Louis Nickell, 31, of 5908 Mitchell St., in Flowery Branch on Monday, “after he was detected to have been passing various amounts and denominations of counterfeit U.S. currency in Flowery Branch and other areas,” the press release stated.