Residents in the quiet town of Circleville, Ohio began receiving mysteriously threatening letters that would go on to change...even ruin some of their lives forever. Did they catch the right culprit?

The Unsolved Mystery of The Circleville Writer SEPTEMBER 19, 2017 BY JAN SIERYIN TRUE CRIME, UNSOLVED MYSTERIES https://survivalofthedadblog.wordpress.com/2017/09/19/the-circleville-writer/

Unexplained mysteries: Circleville Letters Mystery Still Unsolved by Les Hewitt https://www.historicmysteries.com/circleville-letters-mystery/

The Poison Pen: Who Wrote the Circleville Letters? The True Crime Times Feb 26, 2020 https://truecrimetimesblog.medium.com/the-poison-pen-who-wrote-the-circleville-letters-440a302d09ad

The Circleville Letter Writer Terrified Ohioans In The '70s Jacob Shelton Updated February 27, 2020 https://www.ranker.com/list/circleville-letter-writer-facts/jacob-shelton

https://circlevilleletters.files.wordpress.com/2011/08/the-full-story.pdf

https://www.darkhistories.com/the-circleville-letters-mystery/

Top 10 Strange Facts About The Circleville AUGUST 16, 2020 BENJAMIN WELTON https://listverse.com/2020/08/16/top-10-strange-facts-about-the-circleville-writer/

TOP 10 STRANGE FACTS ABOUT THE CIRCLEVILLE WRITER POSTED ON AUGUST 16, 2020 BY ADMIN https://toptenlists.org/top-10-strange-facts-about-the-circleville-writer/