denied if he or she crossed state lines to avoid prosecution for a crime or avoids giving testimony in a criminal case. i should mention this was a decision actually made under the obama administration last year. but that narrow definition has now been in effect under the trump administration since february, resulting in that purge of tens of thousands of names, fred. >> so would the shooter's name have been among the purged names? >> so, it's unlikely that he would have been affected by this change because, remember, in that case, he didn't have an be outstanding warrant for his arrest, but he did have a criminal record, he did have a record of domestic abuse, which the air force failed to convey to federal authorities. so his name did not get flagged in the national criminal background check database as it should have. >> and this decision was made by the obama administration, and implemented under trump. could this administration reverse that decision? >> certainly. the attorney general, jeff sessions, has already made a number of decisions to reverse