One of the suspicious Circleville Letters stating "Everyone Knows What You Have Done"

The Circleville Letters: An Unsolved Mystery That Haunted Ohio

A threatening anonymous one of the Circleville Letters with the handwritten message “Everyone knows what you have done,” one of many that terrorized the town of Circleville, Ohio.
Pickaway County Sherrif’s Office

In the summer of 1977, the quiet town of Circleville, Ohio, was shaken by a mystery that remains unsolved to this day. Out of nowhere, anonymous letters began arriving in mailboxes. Signed only as “The Circleville Writer,” the Circleville Letters contained threats, disturbing accusations, and cryptic messages.

What made them so terrifying was the level of personal detail. The anonymous writer seemed to know the private lives of Circleville’s residents better than their closest friends and family. Who was watching them so closely — and why?

The Circleville Letters mystery remains one of Ohio’s strangest unsolved cases.

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A Small Town Gripped By Fear

At the time, Circleville was a small, close-knit town of about 13,000 people. Neighbors knew each other, families gathered at local events, and gossip spread fast. But when the mysterious letters started showing up, everything changed.

The letters were typewritten, with no fingerprints, return addresses, or clues. Their content was alarming: accusations of affairs, lies, and dark secrets. Families began to distrust one another. Friends turned wary. The town’s peace dissolved into suspicion, and the question on everyone’s lips was: Who is the Circleville Writer?

The Suspicious Death of Ron Gillespie Linked To The Circleville Letters

The case took a darker turn when Mary Gillespie, a school bus driver, became one of the writer’s main targets. The letters accused her of having an affair with the local school superintendent.

Her husband, Ron Gillespie, soon became tangled in the mystery. One night, he received a phone call that many believe came from the Circleville Writer. Whatever was said, it was enough for Ron to grab his gun and leave home in a hurry, telling his family he was going to confront the letter writer.

A crude homemade booby trap found in Circleville, Ohio, rigged with a gun inside a box, discovered by Mary Gillespie after removing an obscene roadside sign.
One day Mary Gillispie saw an obscene sign about her daughter on a fence. When she went to remove it, she noticed it was tied to a string, which led to a box with a gun rigged to go off. PICKAWAY COUNTY SHERIFF’S OFFICE/ OHIO BCI

Not long after, Ron’s car was found crashed into a tree — and Ron was dead. His gun had been fired once, though no one knew at what. The official ruling was “accident,” but speculation swirled. Some believed Ron had been forced off the road, others thought foul play was involved. His death added another chilling layer to the mystery, but no charges were ever filed.

Theories About the Circleville Letters

Over the years, theories have piled up — none fully solving the case.

  • A Cruel Prank: Some think the letters were nothing more than a twisted joke meant to stir chaos, especially since many accusations turned out to be false.
  • A Serial Killer: Others believe the writer was dangerous, even deadly. Around the same time, Circleville experienced unsolved murders, raising suspicions of a connection.
  • A Group Effort: Another theory suggests the letters weren’t written by one person at all, but by a group of locals sharing secrets to keep the illusion of an all-knowing writer alive.

The Supernatural: A more unusual idea claims the writer wasn’t human at all, but something paranormal. The eerie knowledge and fear that hung over the town made some wonder if the case crossed into the unexplainable.

Suspects and False Leads

As the investigation dragged on, suspicion eventually turned toward Paul Freshour, Mary Gillespie’s brother-in-law. Paul became the prime suspect after Mary stumbled upon a disturbing setup one afternoon. While driving her bus route, she spotted an obscene sign about her young daughter nailed to a fence. When she stopped to pull it down, she realized it was tied to a string — which led to a box hidden nearby. Inside was a crude booby trap: a gun rigged to fire if the sign was removed.

Authorities traced the weapon back to Paul Freshour. He insisted he had nothing to do with the device or the letters, but the evidence was enough for a conviction. In 1983, he was sentenced to ten years in prison for attempted murder.

But the story didn’t end there. While Freshour sat behind bars, the letters continued to pour into Circleville mailboxes — hundreds of them. The prison warden confirmed Paul had no access to pens, paper, or postage. In fact, even Paul himself received one of the ominous letters while incarcerated, signed by the same “Circleville Writer.”

A threatening handwritten, another one of the Circleville Letters that was a  warning, “This is your last chance to report him,” one of many anonymous notes that terrorized Circleville, Ohio.
More Threatening Letters: Pickaway County Sherrif’s Office

Was he somehow orchestrating the campaign from inside prison? Or had someone else been pulling the strings all along, framing Paul to keep the real writer hidden?

Other townspeople fell under suspicion over the years — neighbors with grudges, co-workers with motives — but no investigation ever led to a definitive answer. Instead, the web of fear only grew tighter, frustrating both law enforcement and residents who longed for peace.

The Circleville Letters Finally Stop

In 1994, the same year Paul Freshour was released on parole, the letters suddenly stopped. Paul always maintained his innocence until his death. Years later, forensic experts noted some similarities between his handwriting and the Circleville letters, but the evidence was never conclusive.

Eventually, the sheriff’s office closed the case without answers. The identity of the Circleville Writer remains unknown.

A Mystery That Still Haunts Circleville

To this day, the Circleville Letters stand as one of America’s strangest unsolved cases. A small town was torn apart by fear, suspicion, and tragedy — all because of an unseen writer who seemed to know too much.

Did the Circleville Writer finally get what they wanted, or did they simply decide to stop? We may never know. What remains is a scary reminder of how easily fear can take root when secrets are exposed and trust disappears.

The Circleville Letters remain one of America’s strangest unsolved mysteries — even inspiring books like this one

If you would like video format, please check the short about the Circleville Letters.

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