How is handwriting tested in CSI?

How is handwriting tested 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...

In examining a document's handwriting, there are two possibilities. Either the police investigators are going to be able to obtain writings of the suspect individual by searching a home or by looking for legal documents and things of that nature. Failing that, the individual may then be asked to provide handwritten documents to police under controlled conditions.