EXHIBIT 16.1 Office of the Chief Accountant Securities and Exchange Commission 450 Fifth Street, NW Washington, D.C. 20549 March 22, 2002 Dear Sir/Madam: We have read the first five paragraphs of Item 4 included in the Form 8-K dated March 21, 2002 of ChoicePoint Inc. to be filed with the Securities and Exchange Commission and are in agreement with the statements contained therein. Very truly yours, /s/ Arthur Andersen LLP Copy to: Michael S. Wood, Chief Financial Officer, ChoicePoint Inc. -5-