ABC News Correspondent Andy Field explains discrepancies between FBI and White House timelines on Rob Porter

FBI Director Christopher Wray speaks during a Senate Select Committee on Intelligence hearing on worldwide threats, Tuesday, Feb. 13, 2018, in Washington. Wray said the agency provided the White House with information twice last year about Rob Porter, the top Trump aide who resigned as staff secretary last week after domestic violence allegations from two ex-wives became public. Wray said the bureau closed its background investigation on Porter in January, weeks before the allegations were published. (AP Photo/Andrew Harnik)

ABC News Correspondent Andy Field joins John to explain how the White House was found to have a different story on former Trump aide Rob Porter, than what the FBI has.