Sixty-four-year-old William Dennis Milstead of Port St. Lucie, Fla., has been arrested for reportedly submitting a falsified letter to a rental associate claiming that he was an undercover FDLE agent to avoid a background check. The letter stated that, due to the nature of his work, information on his background and credit files were very limited and/or sealed. An investigation revealed 13 prior felony charges for impersonating a police officer.