 His stories won him numerous awards and led one observer to suggest “They’re the kind of stories where John might want to be starting his car with a remote control”

Since 2002 Mattes has worked as an investigative reporter in San Diego, California.Mattes has founded InvestigativeGuy.com, an online site dedicated to working for consumers and exposing scams.Since the site has been created, a number of the scams exposed by the site have been shut down by law enforcement.