After 50 years, DNA technology leads to an arrest in the chilling 1974 murder of a Minneapolis woman-justice may finally be served. 🌐 #News #StPaulMN #Minnesota #Crime. ST. PAUL, MN – A Minnesota man has been taken into custody, accused of a murder that has haunted investigators for nearly 50 years. Jon K. Miller of Owatonna, now 84, is charged with the 1974 killing of Mary K. Schlais, a young woman from Minneapolis, who was found dead in rural Wisconsin. His arrest, thanks to advances in DNA technology, has revived a case long considered unsolvable, bringing long-awaited relief to Schlais’s family and a new chapter in the pursuit of justice.