Seeking info about a man whose name may have been Mark Holmes. He would have lived in the Minneapolis area in the above years and might have been around 20 years old.
His family possibly consisted of a father (who may have been an electrician), a mother and one sister.
He was also deaf in one ear since birth.
In addition, he may have attended a junior college for architectural drafting.
He was of average height and had brown curly hair and brown eyes.