The Yankton Police Department is asking for the public's help in finding a missing person.
Marilyn Coulter, 55, was last seen at about noon Tuesday October 16. According to the Yankton Police Department, Marilyn is without needed medication and suffers from mental illness, which may cause her to become violent.
She is described as 5 feet 9 inches and 224 pounds. She has brown hair and brown eyes and is believed to be wearing the clothes seen in the picture on this story. Marilyn recently cut her hair on the left side making it uneven and noticeable.
Anyone with information should call Yankton police at 605-668-5210.