 Prior to that he was CBS News' chief investigative correspondent for seven years (began March 2006), after spending nine years as a sportscaster for HBO and CBS Sports.He joined ABC News in New York City as a network correspondent in September 1989 and for eight years reported on hard-edged and issue-related sports stories for "ABC's World News Tonight with Peter Jennings" and other ABC News broadcasts.He has written or co-written 11 books, including "New York Times" best sellers, "Tiger Woods," "The System", an inside look at big-time college football and "Why You Crying?