Nancy Marie O'Sullivan, a 15-year-old girl, went missing on March 7, 1974, from South Holland, Illinois. On the day of her disappearance, Nancy had visited some old neighbors in South Holland, a town her family had moved from in 1972. After visiting friends at a house on 168th Place, she was last seen walking to the end of the driveway, where she reportedly hitched a ride in a blue Cadillac. Despite her history of running away, she had always returned home in the past, but after this day, she wa
...Read MoreLast Seen: Mar 07, 1974