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- Title
IDENTIFYING THE TYPEWRITER RIBBON USED TO WRITE A LETTER A CASE STUDY EMPLOYING NEW TECHNIQUES.
- Authors
Hilton, Ordway
- Abstract
The article describes how to identify the typewriter ribbon used to write a letter, and present the findings in court. It dwells on a case study that employs new techniques to this end. In some respects the uniqueness of the case helped to bring about the need for and the opportunity to make this kind of examination and demonstration in court. Two letters were actually in dispute, and the technique described established comparable data for both. One was dated July 12, 1957 and the second September 3, 1957. Only the September letter is considered in detail. This technique employed for examining the used typewriter ribbon and relating the impressions to a specific document enabled the examiner to show conclusively that the document had been typewritten on the machine at hand with the ribbon before him. The conclusions were demonstrated photographically. Further, with coordinated field investigation it was possible to establish when the document had been prepared. This combination of evidence brought about the rejection of the disputed document and with other evidence in the case lead to a decision against the entire fraudulent claim.
- Subjects
TYPEWRITER ribbons; LETTERS; CASE studies; COURTS; EVIDENCE; MARKS of origin
- Publication
Journal of Criminal Law, Criminology & Police Science, 1972, Vol 63, Issue 1, p137
- ISSN
0022-0205
- Publication type
Article
- DOI
10.2307/1142286