Mary Jo Klen was 40 when she was last seen on August 14, 2000, in Valparaiso, Indiana. She is described as a white female, 5 feet 4 inches tall, about 110 pounds, with brown hair and brown eyes. She may have used the names Mary Jo or Mary Johanna.

There is little public detail about the circumstances of her disappearance and the case remains unsolved. Her information appears in missing persons databases such as NamUs and the Doe Network, and her DNA is listed in national databases. The Porter County Sheriff’s Department continues to ask anyone with information to come forward.

If anyone knew Mary, saw her around Valparaiso in August 2000, or has information that could help, please contact the Porter County Sheriff’s Department.