Circleville Letters: Anonymous Letters That Kept Arriving Even from Prison

Symbols, Traces, and My Case Investigation Record 45

Circleville Letter Case
Anonymous letters that continued to arrive from prison

Around 1976, anonymous letters with privacy and criticism began to be delivered to the residents of Circleville, Ohio. The letter targeted schools and public officials beyond one family.

Figure 1. Small city centre in Circleville, Ohio — Image:

From the conclusion of this record to
The most explanatory model is that early key authors and later imitations or collaborators existed together. It remains possible that Pressur was linked to part of the incident, but as a sole author, there are many blanks to explain all the letters.

Prologue: Recorded Night

After the night deepens, the data was spread on the desk. The first thing that caught my eye was not the answer, but the imbalance. Some scenes were as clear as photographs and some time zones were empty as a whole. People try to capture one clear scene and explain the whole thing, but I marked the empty section first. Mysteries arise because there are many clues, but they also arise because the distance between clues is too far.

Paul Presher was convicted in connection with a trap installed on a road sign, but he denied writing the letter and the trap. Records of anonymous letters arriving even after his imprisonment complicated the case.

I deliberately read the famous hypothesis at the end. First of all, when we encounter the conclusion, it seems that all objects and symbols exist for that conclusion. Therefore, the timetable, place, object, and original text were organized first, and the witness and interpretation were placed in different compartments. The novel-like atmosphere was drawn from the cold texture of the actual record, not from a made-up secret.

Figure 2. Anonymous letters and envelopes stacked in mailboxes — Image:

Case File: What I Could Believe

20313233343536373839404142434445464748495051525354555657585960616263646566212223242526272829303132333435363738394041424344454647484950515253545556

Number	Confirmed Record	Current Reliability
1	A number of anonymous letters of condemnation were delivered to the residents of Circleville in the late 1970s.	High
2	The initial letter referred very specifically to the privacy of a particular family.	High
3	A trap with a pistol connected was found behind a roadside sign.	High
4	Paul Presser was convicted in a trap case, but he was not tried on the charge of writing the entire letter.	Medium
5	Some anonymous letters continued to be reported during Pressur's imprisonment.	Medium

The identity of the first and second authors, the actual role of the fresher, the number of letters and the true extent of events have not been determined.

Caution trap
'Unexplained' is not the same as 'supernatural', 'a huge conspiracy', and 'only this hypothesis is possible'. I didn't count the blanks as evidence.

Figure 3. Condemnation in bold capital letters — Image:

Scene Reconstruction: Finally, the place of the certain point

was changed to the actual movement, not the stage in your head. We divided the starting point, the last check point, and the location where the item was found and calculated the minimum time required in between. When the dramatic description of later generations was removed, small and specific elements such as sound and lighting, doors and roads, paper and ink, and the spacing of symbols came forward.

The person's mind was not fixed and the action was written first. The same behavior can be caused by fear, planning, error, and fatigue. If it is a code, the same symbol can be a sound, a word, a separator, and a meaningless sign. After writing down all possible roles, he erased the roles that conflict with other records one by one.

Clue 1. A number of anonymous censure letters were delivered to the residents of Circleville in the late 1970s.

I split this sentence into three pieces first. It indicated who first checked, how close the confirmation was to the incident, and where the later interpretation was attached. Old events and codes turn into clearer stories than the original while being repeatedly cited. But clarity is not the same thing as accuracy. In my notes, I separated the direct record, the traces left by the object, and the reasoning of later generations into different colors.

This clue was then confronted with the record, "The initial letter referred very specifically to the privacy of a particular family." It is not a good hypothesis if one hypothesis explains only the first sentence and avoids the second sentence. In particular, if it fails to pass the question, "Does the connection between the object of the trap device and the presser prove the author?" the attractive explanation also lowered the score. I've seen clues that make the conclusion uncomfortable longer than clues that make the conclusion cool.

If you look at the clues this way, the case seems a little less dramatic. Instead, there is a boundary between how far it is clear and where it is imagined. That boundary is necessary to correct reasoning when new data are released. The most dangerous moment in the unwritten record is not when you make a false hypothesis, but when you turn the hypothesis into a sentence of fact.

Clue 2. Early letters referred very specifically to the privacy of certain families.

I split this sentence into three pieces first. It indicated who first checked, how close the confirmation was to the incident, and where the later interpretation was attached. Old events and codes turn into clearer stories than the original while being repeatedly cited. But clarity is not the same thing as accuracy. In my notes, I separated the direct record, the traces left by the object, and the reasoning of later generations into different colors.

This clue was then matched with the record, "A trap connected to a handgun was found behind a roadside sign." It is not a good hypothesis if one hypothesis explains only the first sentence and avoids the second sentence. In particular, if you fail to pass the question, "Is the mail postmark and style of the letter among the prisoners the same as the initial letter?" the attractive explanation also lowered the score. I've seen clues that make the conclusion uncomfortable longer than clues that make the conclusion cool.

If you look at the clues this way, the case seems a little less dramatic. Instead, there is a boundary between how far it is clear and where it is imagined. That boundary is necessary to correct reasoning when new data are released. The most dangerous moment in the unwritten record is not when you make a false hypothesis, but when you turn the hypothesis into a sentence of fact.

Figure 4. Reproduction of the trap behind the road sign — Image:

Clue 3. A trap with a pistol connected was found behind a roadside sign.

I split this sentence into three pieces first. It indicated who first checked, how close the confirmation was to the incident, and where the later interpretation was attached. Old events and codes turn into clearer stories than the original while being repeatedly cited. But clarity is not the same thing as accuracy. In my notes, I separated the direct record, the traces left by the object, and the reasoning of later generations into different colors.

This clue was then confronted with the record, "Paul Presher was convicted of a trap case, but he was not tried for writing the entire letter." It is not a good hypothesis if one hypothesis explains only the first sentence and avoids the second sentence. In particular, if you fail to pass the question, "Is the information contained in the letter within the scope of one person's observation?" the attractive explanation also lowered the score. I've seen clues that make the conclusion uncomfortable longer than clues that make the conclusion cool.

If you look at the clues this way, the case seems a little less dramatic. Instead, there is a boundary between how far it is clear and where it is imagined. That boundary is necessary to correct reasoning when new data are released. The most dangerous moment in the unwritten record is not when you make a false hypothesis, but when you turn the hypothesis into a sentence of fact.

Clue 4. Paul Presher was convicted in a trap case, but he was not tried on the charge of writing the entire letter.

I split this sentence into three pieces first. It indicated who first checked, how close the confirmation was to the incident, and where the later interpretation was attached. Old events and codes turn into clearer stories than the original while being repeatedly cited. But clarity is not the same thing as accuracy. In my notes, I separated the direct record, the traces left by the object, and the reasoning of later generations into different colors.

This clue was then confronted with the record, "Some anonymous letters continued to be reported even during the Presher imprisonment." It is not a good hypothesis if one hypothesis explains only the first sentence and avoids the second sentence. In particular, if it fails to pass the question, "Does the connection between the object of the trap device and the presser prove the author?" the attractive explanation also lowered the score. I've seen clues that make the conclusion uncomfortable longer than clues that make the conclusion cool.

If you look at the clues this way, the case seems a little less dramatic. Instead, there is a boundary between how far it is clear and where it is imagined. That boundary is necessary to correct reasoning when new data are released. The most dangerous moment in the unwritten record is not when you make a false hypothesis, but when you turn the hypothesis into a sentence of fact.

Clue 5. Some anonymous letters continued to be reported during Presher's incarceration.

I split this sentence into three pieces first. It indicated who first checked, how close the confirmation was to the incident, and where the later interpretation was attached. Old events and codes turn into clearer stories than the original while being repeatedly cited. But clarity is not the same thing as accuracy. In my notes, I separated the direct record, the traces left by the object, and the reasoning of later generations into different colors.

This clue was then matched with the record that "a number of anonymous letters of condemnation were delivered to the residents of Circleville in the late 1970s." It is not a good hypothesis if one hypothesis explains only the first sentence and avoids the second sentence. In particular, if you fail to pass the question, "Is the mail postmark and style of the letter among the prisoners the same as the initial letter?" the attractive explanation also lowered the score. I've seen clues that make the conclusion uncomfortable longer than clues that make the conclusion cool.

If you look at the clues this way, the case seems a little less dramatic. Instead, there is a boundary between how far it is clear and where it is imagined. That boundary is necessary to correct reasoning when new data are released. The most dangerous moment in the unwritten record is not when you make a false hypothesis, but when you turn the hypothesis into a sentence of fact.

Figure 5. Pistol and thread connected to the trap — Image:

Put three hypotheses on the same scale The

hypothesis was not evaluated as a cool sentence. The number of clues to be explained, the number of newly requested assumptions, and the degree to which they endure the opposite evidence were written, respectively. Even if one clue is fully explained, it is not a good hypothesis if the other records have to be discarded.

Hypothesis A. Presser was the key author, and after imprisonment, an accomplice or imitator continued the letter.

This explanation has the advantage of accepting "a number of anonymous letters of criticism were delivered to the residents of Circleville in the late 1970s" as a relatively small assumption. I assumed that this hypothesis was correct and walked time and space all over again. Each time people, objects, and symbols moved to the next location, they wrote down the actions and times they needed. There must have been a hidden assumption at the point where the sentence was cut off.

The biggest weakness is that it does not fully explain "a trap with a pistol connected was found behind a roadside sign." If you keep adding accomplices, coincidences, and lost things to keep the hypothesis alive, you can explain anything. However, such an explanation does not predict new clues. I only scored when two independent records pointed in the same direction, and I scored every time I called in a new exception.

117100118

So, whether or not to adopt this hypothesis as a conclusion was judged not by atmosphere but by cost. The number of clues to be explained, the number of newly requested households, and the degree to which they endure evidence against them are listed in the same table. Novel scenes were used to show the texture of facts, but not as evidence to fill in the blanks.

119101120

Hypothesis B. From the beginning, two or more authors shared information and handwriting.

121102122

This explanation has the advantage of accepting "the initial letter referred very specifically to the privacy of a particular family" as a relatively small assumption. I assumed that this hypothesis was correct and walked time and space all over again. Each time people, objects, and symbols moved to the next location, they wrote down the actions and times they needed. There must have been a hidden assumption at the point where the sentence was cut off.

123103124

The biggest weakness is that it does not fully explain "Paul Presher was convicted of a trap case, but he was not tried for writing the entire letter." If you keep adding accomplices, coincidences, and lost things to keep the hypothesis alive, you can explain anything. However, such an explanation does not predict new clues. I only scored when two independent records pointed in the same direction, and I scored every time I called in a new exception.

125104126

So, whether or not to adopt this hypothesis as a conclusion was judged not by atmosphere but by cost. The number of clues to be explained, the number of newly requested households, and the degree to which they endure evidence against them are listed in the same table. Novel scenes were used to show the texture of facts, but not as evidence to fill in the blanks.

127105128

Hypothesis C. Separate letters were mixed as several conflicts in the region were grouped under one famous event name.

129106130

This explanation has the advantage of accepting "a trap connected to a handgun was found behind a roadside sign" as a relatively small assumption. I assumed that this hypothesis was correct and walked time and space all over again. Each time people, objects, and symbols moved to the next location, they wrote down the actions and times they needed. There must have been a hidden assumption at the point where the sentence was cut off.

131107132

The biggest weakness is that it does not fully explain "some anonymous letters continued to be reported even during the Presher incarceration." If you keep adding accomplices, coincidences, and lost things to keep the hypothesis alive, you can explain anything. However, such an explanation does not predict new clues. I only scored when two independent records pointed in the same direction, and I scored every time I called in a new exception.

133108134

So, whether or not to adopt this hypothesis as a conclusion was judged not by atmosphere but by cost. The number of clues to be explained, the number of newly requested households, and the degree to which they endure evidence against them are listed in the same table. Novel scenes were used to show the texture of facts, but not as evidence to fill in the blanks.

Figure 6. School bus routes and signage locations — Image:

Conclusions I abandoned

137111138

When I started the investigation, I was also drawn to the most famous explanation. It organized the case into one sentence and gave intention to everything. However, in contrast to the original record, each blank required a new coincidence. I erased the conclusion then and started again. Good reasoning is not about adding anything, but about removing unnecessary assumptions.

139112140

I did not declare Presher irrelevance with one sentence: 'A letter has also come from prison'. Letters are a crime that is easy to replicate and fame calls imitators. Conversely, the connection between the trap device and Pressur is not proof that he wrote all the letters over the years.

141113142

In particular, the details repeated on later articles and the Internet were separated from the source. Just because the same sentence appears in multiple places does not mean that there are multiple independent sources. We first checked the possibility that one error was duplicated. After this process, the case became less colorful, but the weight of the remaining clues increased.

Figure 7. Handwriting Comparison Table and Postmark — Image:

Anti-evidence: Sentence to destroy my reasoning

145116146

The investigation ends quickly if I gather data that upholds my conclusion. So I put the three most uncomfortable questions next to the conclusion.

147117148

• Does the connection between the object of the trap device and the presser prove even the author?
150119151
• Is the mail postmark and style of the letter during imprisonment the same as the initial letter?
152120153
• Is the information contained in the letter the scope that can be obtained from one person's observation?

155122156

These questions are not decorative. It is a switch that will change its conclusion when new data comes in. The ranking of the hypotheses changes immediately when directly linked information, such as the sighting source, preserved physical evidence, comparative samples from the same author, and independent dating. On the contrary, when the word "likely" increased, the ranking did not change.

Figure 8. Letters continued throughout incarceration — Image:

Final Reasoning: I Reached

159125160

Judgment
The most explanatory model is that early key authors and later imitations or collaborators existed together. It remains possible that Pressur was linked to part of the incident, but as a sole author, there are many blanks to explain all the letters.

161126162

This conclusion is not a complete final judgment. The direction calls for the fewest assumptions in the currently disclosed records and explains the most clues at the same time. It is also clear that what comes out changes the conclusion. Reliable original records, verifiable legal science data, and independent evidence directly linking people and objects are needed.

163127164

I do not write that the case is closed. Instead, write down how far you can close it. That boundary is the result of this investigation. The fun of mystery is not that anything is possible. It's about finding out what you can throw away among the possible explanations.

Figure 9. The relationship between the hypothesis of one person, accomplice, and copycat — image:

Additional Survey Record 1. Redraw the timetable

167130168

The data was re-opened on the desk and the conclusion was hidden this time. "A number of anonymous censure letters were delivered to the inhabitants of circleville in the late 1970s," he continued with a line of place and time. Unconfirmed sections were not filled by imagination but marked with blank squares. The larger the square, the lower the reliability of the hypothesis to pass through the section.

169131170

On top of it, I posted an explanation that "Prescher was the key author, and after imprisonment, an accomplice or imitator continued the letter." At first, everything seemed to be right, but when I substituted the question, "Does the connection between the object of the trap device and the presser prove even the author?" a weak connection was revealed. Hypothesis has to endure the question. If you keep making new coincidences to avoid questions, you will create, not reasoning, from that moment on.

171132172

The results obtained in this section are not confirmed criminals or complete plain texts. Instead, it became clear which explanations required fewer assumptions, and what would flip the ranking if found. Even if the case is not completed, the scope of the investigation can be narrowed. This record is intended to leave that very narrow boundary.

173133174

Further investigation record 2. Disappeared link

175134176

Re-expanded the data on the desk and covered the conclusion this time. "The initial letter referred very specifically to the privacy of a particular family," he continued in a line of place and time, leaving only "the initial letter referred very specifically to the privacy of a particular family." Unconfirmed sections were not filled by imagination but marked with blank squares. The larger the square, the lower the reliability of the hypothesis to pass through the section.

177135178

On top of it, I posted the explanation, "Two or more authors shared information and handwriting from the beginning." At first, everything seemed to be right, but when I substituted the question, "Is the mail postmark and style of the letter among the prisoners the same as the initial letter?" a weak connection was revealed. Hypothesis has to endure the question. If you keep making new coincidences to avoid questions, you will create, not reasoning, from that moment on.

179136180

The results obtained in this section are not confirmed criminals or complete plain texts. Instead, it became clear which explanations required fewer assumptions, and what would flip the ranking if found. Even if the case is not completed, the scope of the investigation can be narrowed. This record is intended to leave that very narrow boundary.

181137182

Further investigation record 3. The path of movement of objects

183138184

Re-expanded the data on the desk and covered the conclusion this time. The place and time were lined up, leaving only "a pistol-connected trap found behind a roadside sign." Unconfirmed sections were not filled by imagination but marked with blank squares. The larger the square, the lower the reliability of the hypothesis to pass through the section.

185139186

On top of it, I posted an explanation that "separate letters were mixed as various conflicts in the region were grouped under one famous event name." At first, everything seemed right, but when the question was substituted, "Is the information contained in the letter within the scope of one's observation?" a weak connection was revealed. Hypothesis has to endure the question. If you keep making new coincidences to avoid questions, you will create, not reasoning, from that moment on.

187140188

The results obtained in this section are not confirmed criminals or complete plain texts. Instead, it became clear which explanations required fewer assumptions, and what would flip the ranking if found. Even if the case is not completed, the scope of the investigation can be narrowed. This record is intended to leave that very narrow boundary.

189141190

Further Survey Record 4. Opposite Hypothesis Night

191142192

I re-opened the material on the desk and covered the conclusion this time. "Paul Presher was convicted of a trap case, but he was not tried for writing a whole letter," he continued in a line of place and time, leaving only "Paul Presher was convicted of a trap case. Unconfirmed sections were not filled by imagination but marked with blank squares. The larger the square, the lower the reliability of the hypothesis to pass through the section.

193143194

On top of it, I posted an explanation that "Prescher was the key author, and after imprisonment, an accomplice or imitator continued the letter." At first, everything seemed to be right, but when I substituted the question, "Does the connection between the object of the trap device and the presser prove even the author?" a weak connection was revealed. Hypothesis has to endure the question. If you keep making new coincidences to avoid questions, you will create, not reasoning, from that moment on.

195144196

The results obtained in this section are not confirmed criminals or complete plain texts. Instead, it became clear which explanations required fewer assumptions, and what would flip the ranking if found. Even if the case is not completed, the scope of the investigation can be narrowed. This record is intended to leave that very narrow boundary.

197145198

Further Survey Record 5. Distance between record and memory

199146200

I re-opened the material on the desk and covered the conclusion this time. "Some anonymous letters continued to be reported during the Presher incarceration."The place and the time were lined up, leaving only one behind. Unconfirmed sections were not filled by imagination but marked with blank squares. The larger the square, the lower the reliability of the hypothesis to pass through the section.

201147202

On top of it, I posted the explanation, "Two or more authors shared information and handwriting from the beginning." At first, everything seemed to be right, but when I substituted the question, "Is the mail postmark and style of the letter among the prisoners the same as the initial letter?" a weak connection was revealed. Hypothesis has to endure the question. If you keep making new coincidences to avoid questions, you will create, not reasoning, from that moment on.

203148204

The results obtained in this section are not confirmed criminals or complete plain texts. Instead, it became clear which explanations required fewer assumptions, and what would flip the ranking if found. Even if the case is not completed, the scope of the investigation can be narrowed. This record is intended to leave that very narrow boundary.

205149206

Additional Survey Record 6. Range of Last Scene

207150208

The data was re-opened on the desk and the conclusion was hidden this time. "A number of anonymous censure letters were delivered to the inhabitants of circleville in the late 1970s," he continued with a line of place and time. Unconfirmed sections were not filled by imagination but marked with blank squares. The larger the square, the lower the reliability of the hypothesis to pass through the section.

209151210

On top of it, I posted an explanation that "separate letters were mixed as various conflicts in the region were grouped under one famous event name." At first, everything seemed right, but when the question was substituted, "Is the information contained in the letter within the scope of one's observation?" a weak connection was revealed. Hypothesis has to endure the question. If you keep making new coincidences to avoid questions, you will create, not reasoning, from that moment on.

211152212

The results obtained in this section are not confirmed criminals or complete plain texts. Instead, it became clear which explanations required fewer assumptions, and what would flip the ranking if found. Even if the case is not completed, the scope of the investigation can be narrowed. This record is intended to leave that very narrow boundary.

Figure 10. Letter Timeline from 1976 — Image:

Records and references

· Pickaway County Sheriff

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· Circleville Letters — reference overview

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※ This article is a commentary in the form of personal survey records based on public records and reliable data. I have distinguished between confirmed facts and my reasoning, and I update my judgment when a new official announcement is made. External material images were edited for some color and composition according to the permitted licensing conditions, and each image source was shown in the caption.