Red Oak Police, early this (Friday) morning, arrested 26-year old Cody Dean Johnson, of Red Oak. Johnson was taken into custody at around 12:30-a.m. for Simple Assault. His bond was set at $300. And, at around 12:15-a.m., 31-year old Katie Marie Pierce, of Red Oak, was arrested on two Pottawattamie County warrants for Violation of Probation. Pierce was being held in the Montgomery County Jail on a $10,000 cash bond, pending transfer to the Pott. County Jail.