In the late 1970s, residents of Circleville, Ohio began receiving anonymous letters.

The messages accused people of affairs, corruption, and hidden secrets. Some appeared to contain information that only someone close to the victims should have known.

Then the situation escalated.

Threatening signs appeared along roadsides. A suspicious death followed. And eventually, investigators discovered what appeared to be a booby trap connected directly to the harassment campaign.

A local man was arrested.

But even after his conviction, the letters reportedly continued.

More than forty years later, the Circleville letters remain one of America’s strangest unsolved mysteries.

Sources:

Archived reporting from The Columbus Dispatch and local Ohio newspapers

Court records related to Paul Freshour’s conviction

Documentaries and investigative reporting on the Circleville letters case

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