Three people were arrested Thursday in Cass County, on District Court warrants for Probation Violation. Those who were taken into custody include: 23-year old Samantha Kim Jensen, of Atlantic; 33-year old Ehren Michael Mardesen, and 33-year old Miles Blake Cooley, both of Anita. Cooley was also arrested for Possession of Marijuana, 3rd or subsequent offense. He was later released from the Cass County Jail on $2,000 bond. Jensen and Mardesen remain in the Cass County Jail, held on $25,000 bond, each.