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Classification 36: Mail Fraud

Although this classification was established in 1924 it contains earlier records. The Postal Service has primary responsibility for cases of fraud through the mails, but the FBI also investigates such cases, particularly with the mail fraud relates to some other matter within the Bureau's jurisdiction.

The following records under Classification 36: Mail Fraud are not yet described in NARA's online catalog. Please contact NARA's Special Access Program at with your reference request.

Record GroupFinding Aid EntrySeries Title
65UD UP 5Classification 34, Classification 35, and Classification 36 Microfilm and Index Cards
65UD 149Classification 36 (Mail Fraud) Headquarters Case Files
65UD UP 3Classification 36 (Mail Fraud) Headquarters Case Files, 1928-1947
65UD 10D 30Classification 36 (Mail Fraud), FBI Headquarters Case Files
65UD UP 16Classification 36 and Classification 37 - Microfilm of Case Files, and Class 36 Field Office Case Files, 1943-1949

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