An unexpected lead came in 1994 when John Tessier’s mother, Eileen, made a dying confession to her daughter Janet. “Those two little girls, and the one that disappeared, John did it. John did it, and you have to tell someone,” she said (via CNN). 

Janet knew her mother had lied and told police John was home the night Maria Ridulph disappeared. She reached out to the FBI and the Sycamore police and was rebuffed. Then, a decade later, she sent an email to the Illinois State Police, who took her claims seriously. Police traced Tessier to Seattle, Washington, where he was living as Jack McCullough, according to CBS News.

He was arrested and convicted of the murder in 2011, according to Reuters. At the time, it was the oldest cold case to go to trial. His conviction hinged on the fact that Kathy identified him from a yearbook photo, and this additional evidence punched a hole in his alibi. He was supposed to have been in Chicago for a military physical when the kidnapping took place. However, investigators found an unused train ticket dated December 3, 1957, at his girlfriend’s home, putting his journey in doubt. 

Four years later, however, new evidence overturned McCullough’s conviction. Records proved he had called an Air Force recruiting station from a payphone in Rockford, Illinois, at the time of the kidnapping. During an interview with Reuters, DeKalb County State’s Attorney Richard Schmack said it’s “a manifest impossibility” for McCullough to have kidnapped Ridulph in Sycamore.

As of today, Ridulph’s tragic disappearance remains a mystery. 

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