FBI Washington field office just confirmed gunman was NOT armed with AR15. Spokesperson says 1 shotgun and 2 pistols recovered — Pamela Brown (@PamelaBrownCNN) September 17, 2013

FBI Washington: #NavyYardShooting gunman was NOT armed with AR15. -1 shotgun & 2 pistols recovered- @PamelaBrownCNN — NewsBreaker (@NewsBreaker) September 17, 2013

This undermines the media’s preferred narrative of the past 24 hours if true, but considering the many inaccuracies, inconsistencies, and contradictions in even a single CNN story, it would be irresponsible to take their claim as anything other than speculative at this point.