Where is Dana Depetro?

Brown County, Wisconsin Sheriff is looking for Dana Depetro. She last seen on May 31st at McDonald's. She has Aspergers Syndrome and maybe traveling unwilling with 36 year old Benjamin Spence. She is 26 years old white female with blue eyes and blond hair. She weighs 140 lbs and is 5ft 9 in tall. She last seen wearing a black v neck shirt, white skirt with flowers and black shoes. If you have any information on this case you can call the Brown County Sheriff Department at (920) 448-4230