Zachary Lee Flinn, 28, of Rippey was arrested Monday on a Greene County warrant on charges of controlled substance violation, third or subsequent offense possession of a controlled substance and ongoing criminal conduct-influence enterprise. The latest arrest in the nine-month drug investigation by the Greene County Sheriff’s office occurred Monday when an arrest warrant was served to a Rippey man. Zachary Lee Flinn, 28, of 106 E. Percival St., Rippey, was charged with controlled substance violation, third or subsequent offense possession of a controlled substance and ongoing criminal conduct-influence enterprise. The incident leading to Flinn’s arrest began about 3 p.m. May 21 near the intersection of 310th Street and Iowa Highway 144 in rural Rippey, where a traffic stop was initiated on a vehicle in which Flinn was a passenger.