shot legally used its discretion to sell roof that gun even though his status was still pending. they promised to work on fixing the system. important to know the fbi's revelation today contradicts earlier assertions that the background check was done properly. you can tell he was incredibly disappointed. >> the exercise -- the due diligence -- why did it take so long? >> that's going to be a very big question. i think director comey will face pressure to answer in the next few weeks, brianna. i'm told that agents on the ground knew within days and i'm