Wilma June Nissen Homicide Wilma June Nissen 23 YOA Cops offer $10,000 reward for Lyon Co. cold case,” by Molly Montag, The Sioux City Journal, Feb. 16, 2009 “Evidence from Nissen’s remains will go to FBI lab,” by Dolly A. Butz, The Sioux City Journal, Oct. 4, 2007 “Tests fail to reveal cause of death […]