Con Artist

A Con Artist is a person who gains another person's Confidence in order to rob them of any personal assets.

History
The first known usage of the term "confidence man" in English was in 1849; it was used by American press during the United States trial of William Thompson. Thompson chatted with strangers until he asked if they had the confidence to lend him their watches, whereupon he would walk off with the watch; he was captured when a victim recognized him on the street.

Criminal Minds

 * Bill Hodges