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Scope

1.1 This guide provides procedures that should be used by forensic document examiners (Guide E 444) for examinations and comparisons involving single-strike film ribbons with typed text and related procedures.

1.2 These procedures are applicable whether the examination and comparison is of questioned and known items or of exclusively questioned items.

1.3 These procedures include evaluation of the sufficiency of the material submitted for examination.

1.4 These procedures are also generally applicable to examinations of lift-off and cover-up correction tapes and sheets.

1.5 These procedures may also be applicable (in whole or in part) to examinations of carbon paper and carbon copies or of documents produced with certain non-impact printing devices (for example, printing devices using a thermal imaging transfer ribbon).

1.6 The particular methods employed in a given case will depend upon the nature of the material available for examination.

1.7 This guide may not cover all aspects of unusual or uncommon examinations.

1.8 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory requirements prior to use.

Significance and Use

The procedures outlined here are grounded in the generally accepted body of knowledge and experience in the field of forensic document examination. By following these procedures, a forensic document examiner can reliably reach an opinion concerning whether a particular single-strike ribbon or lift-off correction tape was used in the preparation of a specific typed text.

Keywords

forensic sciences; fracture patterns; paper fiber impression; questioned documents; single-strike film ribbon; Forensic document examiners; Forensic investigation/analysis; Fracture patterns; Paper fiber/fragments; Questioned documents; Single-strike film ribbons; ICS Number Code 07.140 (Forensic science)

To find similar documents by ASTM Volume:

14.02 (General Test Methods; Forensic Psychophysiology; Forensic Sciences; Terminology; Conformity Assessment; Statistical Methods; Nanotechnology; Forensic Engineering; Manufacture of Pharmaceutical Products)

To find similar documents by classification:

03.160 (Law. Administration Including flags and associated symbols (emblems) of political and administrative entities, military flags, flags of organizations, etc. This group includes standards for general use)

07.140 (Forensic science)

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