|Location||Cape Girardeau, Missouri|
|Episode(s)||1.13 Route 666|
In 1963 Mrs. Robinson was dating a man by the name of Cyrus Dorian, all the while at the same time secretly seeing Martin Robinson as inter-racial couples did not go over well in 1963. After leaving Cyrus for Martin, Cyrus grew enraged and rumors began of a truck picking up men of color, who are never seen from again. The attacks culminated when Cyrus set fire to the church, that she and Martin were to be married had they not eloped, killing the children's choir. Later Cyrus would come after Martin, and severely beat him, however Martin was able to free himself and proceeded to beat Cyrus to death. Along with his friends, Clayton Soames and Jimmy Anderson and a young deputy Harold Todd they disposed of the body and truck in the swamp.
When Clayton Soames and Martin Robinson is killed, Martin's daughter Cassie calls on Dean and Sam for help in finding out what happened. The investigation leads them to Cyrus Dorian and eventually Cassie's mother, who tells them the story behind Cyrus' death.
Mrs. Robinson protected the secret of what Martin and his friends did, as well as Harold Todd's cover-up for over 40 years.