Statement analysis is the science and art of examining written or oral statements with either or both of the following two aims in mind:
-To detect deception
-To obtain information.
These can be seen as the major purposes of Statement Analysis.
The examination of any questioned statement can reveal to us whether the subject is being honest or deceptive, or whether he is withholding information. In addition, the statement analyst is usually also able to detect where in the story the deception occurs.