Mary Schlais was murdered on a cold February morning in 1974, just as a man named Randy was making his way to Wisconsin. Was this soft-spoken monster responsible for her death?
Olson, Aaron. DNA Analysis could solve cold case mystery. The Chippewa Herald, 2/4/2009 (updated 2/4/2011)
Collin, Liz. Could a Serial Killer And Former Green Bay Packer Be Responsible For This Cold Case? http://www.minnesota.cbslocal.com
Rule, Ann. The I-5 Killer. New York; Berkley, 1984