Police in Yankton are investigating the death of a Yankton women whose body was found in Nebraska. According to authorities foul play is believed to be involved. The body of 59-year-old Phyllis Hunhoff was found in rural Knox County. It was found in a car on the Santee Sioux Reservation. She had been reported missing Monday. According to eye witnesses she was last seen leaving her mother’s home in Utica and did not show up for work the next morning. No further details were released at this time.