What does a 'document examiner' examine in CSI?

What does a 'document examiner' examine in CSI?

Richard Saferstein (Former Chief Forensic Scientist) gives expert video advice on: What does a 'document examiner' examine in CSI?; What clues does a document examiner look for in handwriting evidence?; How is handwriting tested in CSI? and more...

Commonly, the document examiner will look at handwriting - forgeries and things of that nature. But there are other types of documents that come into acquisition. Documents such as typewritten documents - whether it be typed by an old-fashioned typewriter or a modern computer printer. Also, documents are examined for manipulation, erasures, alterations, obliterations. And another area of examination will be inks. Using different pens may be a factor, or dating an ink may be a factor, in the examination of a document.