i don't want to call him thayer because melania is there, and i don't want to cause any kind of jealousykay. >> reporter: that comment prompting a spokesperson for melania trump to tell abc there is clear no substance to the statement from an ex. unfortunately, only attention-seeking and self-serving noise. a new memoir from the czechoslovakian. model "raising trump" goes back to the very beginning. you write, i believe the credit for raising such great kids comes to me. >> he was a loving father, don't get me wrong. but he was not a father to take a stroll and go to central park or go play baseball with them. >> reporter: in his first year in office, ivana says she has given the president advice. >> i tell him not to speak that much, okay. and tweets. and i say i don't disagree with him, because he has so much press against hem. if he say something, his words are going to be twisted immediately. >> reporter: when you read your book, you are all about kindness and manners. what about the fact that president trump often uses twitter to name call? >> a lot of people are different. i like m

so there are a lot of good drivers ot there f drivers out thayer fere for tha. >> another question.right here? mic is on its way. >> so, as someone that isn't really a scientist, my question is more on the strategy part. as major powers kind of continue to invest in biotechnology and it becomes kind of a part of the arsenal of most major powers, how do you see it being used strategically? do you see it being kind of like nuclear weapons, where's used as more of a deterrent? or as it's used only covertly? or do you see major powers using this technology openly to harm other people? >> well, i can address that a little bit in perhaps, not directly, but how you might want to think about it. a set of questions you might want to ask and pose to people like well, depending on in other places, if an adversary wants to pursue biological weapons to add to their military toolbox, what might they want to do with it that they wouldn't be able to do with any other weapon system that would provide an advantage in a certain scenario? then you have to kind of game that out. that's one way to approa

. >> the eyewitness that we talked to a couple of minutes ago, logan thayer who was a bartender in the area, said you thought it was multiple shooters because of the shots you didn't know where to run to. >> it's the second mass shooting at a u.s. concert. of course, everyone remembers the shooting at the pulse nightclub and the ariana grande concert in london. a lot of people questioning can i go to a concert and be safe in a soft target, so-called soft targets where even if there's police presence coming in, no one, of course, would imagine there would be shots fired from high up above. >> all of the shootings were different. in the arianna gran tay concert, the shooter was outside the skured perimeter. the pulse shooter was inside on the ground floor. in this case, you're talk about a shooter being 32 floors above and horrifyingly shooting down on folks. jeff pe fwas is in our washington room with what he knows. jeff? >> we've followed a lot offive shootings over the last several years. this one based on what we know so far really doesn't fit the profile. the fact that this shooter

. >> the eyewitness that we talked to a couple of minutes ago, logan thayer who was a bartender in the area, said you thought it was multiple shooters because of the shots ricocheting off the billing. you didn't know where to run to. >> it's the second mass shooting at a u.s. concert. of course, everyone remembers the shooting at the pulse nightclub and the ariana grande concert in london. a lot of people questioning can i go to a concert and be safe in a soft target, so-called soft targets where even if there's police presence coming in, no one, of course, would imagine there would be shots fired from high up above. >> all of the shootings were different. in the arianna gran tay concert, the shooter was outside the skured perimeter. the pulse shooter was inside on the ground floor. in this case, you're talk about a shooter being 32 floors above and horrifyingly shooting down on folks. jeff pe fwas is in our washington room with what he knows. jeff? >> we've followed a lot offive shootings over the last several years. this one based on what we know so far really doesn't fit the profile

we got up, thayer were was a st, basically. people trying to run underneath the bleachers. we were going the back way behind the vendors and stuff like that. got back on the strip, we kept hearing bursts. just basically kept running. didn't really hide anywhere. we decided to get as far away as we could. and we ended back at the hotel. i'd rather not say which hotel. we're back here and up in our room, and i haven't heard anything else. i've got my brother back home on the police scanner giving me updates. >> so we're talking to quinn there who was visiting las vegas with his girlfriend from british columbia. in the meantime we are looking at images from ktnv, the first images we've seen since two hours ago when all this started playing out. virtually shut down. quinn, were you on the bleachers, you hear what sounded li like several roiunds of rapid fire. who was targeted? concert-goers? >> it was everywhere, every five, six seconds it would be another ten-second burst. it has to be, i'm thinking machine gun fire or automatic fire, because it was a lot of pops and a lot of

adam shapiro at the latest on all of the above thayer. >> this is an important meeting with senate finance, which includes democrats that the president is hoping he can persuade to join the republican effort to reform the tax code. w-whiskey is that the president said moments ago, reiterating his goal, his line in the stand for corporate taxes not only 20%, rate of 20% but that he wants to repatriate now what he calls $4 trillion of profits banked overseas and bring that back to the united states. here is what he said. >> will impose a one-time low tax on trillions of dollars of wealth overseas to encourage companies to bring back those profits and bring them back home and spend the money at home. right now they can bring the money back in because of bureaucratic goblins, because of certain legislation and most importantly because the tax rate is so high that only a very foolish company had would bring the money back. >> so he's talking about the one-time tax holiday. we've been reporting to trillion. he's now saying $4 trillion overseas. there's another issue the president is paying atten