# The FBI CRRU and the American Cryptogram Association could not identify the system.

> The FBI CRRU and the American Cryptogram Association could not identify the system.

Source: https://mysteriesdept.com/mysteries/ricky-mccormick-notes/evidence/EVD0D07YB6A7JJY/the-fbi-crru-and-the-american-cryptogram-association-could  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

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[Ricky McCormick's notes](https://mysteriesdept.com/mysteries/ricky-mccormick-notes)Evidence

Evidence · Ricky McCormick's notes

# The FBI CRRU and the American Cryptogram Association could not identify the system.

The FBI CRRU and the American Cryptogram Association could not identify the system.

Suggestive0

## What it bears on 1 answer

[The notes encrypt a message under a consistent cipher system.](https://mysteriesdept.com/mysteries/ricky-mccormick-notes/answers/ANS0D07YAYG7PM4/the-notes-encrypt-a-message-under-a-consistent-cipher-system)

Still possible

AGAINST

## Cite it

```
Mysteries Department. (2026). The FBI CRRU and the American Cryptogram Association could not identify the system. [Evidence EVD0D07YB6A7JJY]. https://mysteriesdept.com/r/EVD0D07YB6A7JJY
```

Key

**EVD** 0D07YB6A7JJY

Kind

Evidence

Tier

Suggestive

Version

1

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