investigation. >> i want people to understand how extraordinarily rare it is for her to tell evan. when you're trained as a prosecutor, anytime you're asked about an ongoing investigation, it's cannot confirm or deny, cannot comment on a pending matter. we've heard that from doj countless times. normal doj policy is to not confirm or deny anything except in extraordinary circumstances. this was a conscious decision and i think what's going on here is they understand. they operate in the real world and every once in a while, the justice department has to reassure the american people we're aware of this. we're on it. we're taking a look at it. >> we don't know when they started their investigation. still, here we are. a year later. bottom line, do these fake certificates constitute a federal crime? >> i can see ways they could. i'm going to do what prosecutors do now, which is typically you look for the straightest line to a charge.