Mary Schlais was 25 years old in 1974 when her body was discovered alongside a rural road with stab wounds. A former Green Bay Packers player is considered one possible person of interest.| Wadena Pioneer Journal
Jon K. Miller, 84, of Owatonna, was charged with first-degree murder in the death of Mary Schlais, of Minneapolis, in 1974. Investigative genetic genealogy credited with leading to his arrest.| Wadena Pioneer Journal