(Received 4 January 1988; accepted 22 February 1988)
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The last 50 years have seen significant changes and growth in questioned document problems. New writing instruments have come into use affecting handwriting identification and the detection of forgery. Electronic typewriters and word-processing systems have been developed, increasing the difficulty in establishing the source of “typewritten” material. Various new office machines, especially copiers, produce documents very different from those of the 1930s. With all of these problems, there has been an evolution and development of new methods for examining documents and new equipment to assist the examiner. Also throughout this period, certain office machines created challenging problems for several years but subsequently have been replaced for the most part by contemporary equipment. They too are considered since the problems of the 1930s as well as those of the intervening years can still be encountered occasionally.
Examiner of questioned documents, Examiner of Questioned Documents, Landrum, SC
Stock #: JFS12574J