BISMARCK, N.D. (KXNET) — Two North Dakotans have now been sentenced to federal prison for the sexual exploitation of children. Wednesday, a judge sentenced 33-year-old Katie Heidinger, of Velva, and 46-year-old Derrick Walker, of Minot, for 6 counts of sexual exploitation of a minor. In addition, Walker was also charged with one count of receipt […]