(Red Oak, Iowa) – Sheriff’s officials in Montgomery County report the arrest at around 10:30-p.m. Tuesday, of 45-year-old Crystal Marie Mack, from Red Oak. She was taken into custody in the 1400 block of N. 7th Street in Red Oak, on an active warrant out of Clarke County, for Violation of Probation. Mack was being held without bond, in the Montgomery County Jail.