he or she may have even more leads for investigators to follow up on. and i think trump and his people are really feeling the heat. because they're launching this attack. they're going after the whistle-blower. and i've seen this happen. when the evidence starts to get really strong as a prosecutor, that's when the personal attacks start flying. that's when the distraction starts happening. we're seeing that happen now. but everyone needs to focus. forget about the attacks on the whistle-blower. look at the actual evidence, the calls, the documents. that's what's going to make the case here. >> what is the white house's response to this now? first the president said the first whistle-blower is not credible. this whistle-blower has first-hand knowledge. was presumably one of the six people that were in the room to witness the call. what is the white house's take now? >> well, the press secretary stephanie grisham stated the second whistle-blower doesn't matter because the president did nothing wrong in the first place. what's interesting about that is