this is "nightline." >> tonight, the time line of terror. inside the orlando hostage standout. the dramatic 9-1-1 phone call, and new details about the killer's surprising final purchases and what we're being told about his wife's state of mind. plus, rose all day. it's the new official drink of summer. rose life. >> why this one sidelined wine has hip centered and the highbrow alike drinking pink, and thousands on social media sharing their rose world. >> and donald trump has just dumped his right hand man. >> did this take you by surprise?

>> is his campaign in crisis? first the night line five. >> are my teeth yellow? >> are you tried the tissue test? >> my teeth are yellow. >> i passed the tissue test. >> oh, yeah. >> crest white strips are the way to whiten. ♪ >> it's hard to resist great taste. it has to be heinz. >> number one in just 60 seconds.

tonight we're going into the massacre in orlando. you'll hear from the officers on

the scene risking their own lives and you'll hear from the killer himself, omar mateen in newly released transcripts of his phone calls with hostage negotiators. here's lindsey janice. >> i never thought that her life would be ended right in front of my eyes. >> reporter: the tears of a son saved by his mother. in the orlando nightclub massacre. tonight, brenda lee laid to rest. the brooklyn native and two-time cancer survivor, died jumping in front of her son who survived the shooting. >> she loved everybody equally. >> reporter: she was one of 49 killed. and now minute by minute accounts from police. >> it was just shots fired call.

it wasn't until a lot closer that i was aware it was an active shooter call. >> reporter: the gunman, omar mateen. authorities releasing partial transcripts of their communications with him. >> while we're not releasing the audio, i can tell you while the killer made these statements, he did it in a chilling, calm, and deliberate manner. >> reporter: the gunman beginning his roughly 30 minute rampage, exchanging fire with police twice before barricading himself in a bathroom, taking hostages. at 2:30 a.m. the shooter called 9-1-1, pledging allegiance to isis, telling the dispatcher i'm in orlando, and i did the shootings. at 2:48 a.m., police bring in hostage negotiators. they speak with the shooter three times on the phone. >> any time we can engage a suspect who is in a hostage situation, we definitely want to keep them talking. >> reporter: in the calls, mateen tells police he has bombs

in a car, threatening to detonate them, saying i'm going to ignite it if they try to do anything stupid. he continues to say he has a vest like that kind they used in france. then silence. he stops answering his phone. >> we know he's in the bathroom and armed and has people. >> our officers were in and out of that club saving people. >> we're being told possibly up to 15 were remaining in the club that were barricaded in. >> our officers pushed an air-conditioning through to one of the dressing rooms and i believe saved eight people. >> reporter: officer omar delgato was one of the first on the scene running toward the gunfire. >> at that point there was a lot of people running out, yelling, screaming, crying. it was just -- it was unreal. it was just a lot of bodies laying on the ground. >> reporter: how many? >> anywhere from 20 or 25 or so. >> i began yelling get up. get up. it took a minute to realize that

most people weren't getting up. there was a reason why they weren't getting up, and it was because they were shot. >> reporter: he was able to pull out a few who were still alive. how many people do you think you pulled out? >> i want to say maybe about three or four. with the assistance of other officers that were there. >> reporter: nearly two hours after the gunman cut off communication, police ready to go in and rescue the hostages. at 5:02:00 a.m., busting through an exterior wall of the club. patience carter was inside the bathroom. >> the police said move away from the walls, because obviously, they were about to bust through again. >> reporter: that was the factor that made you decide to breach the wall? >> i could not safely put officers in or get hostages out of that bathroom across from where he was without putting their lives in danger. so the best option was to breach an exterior wall. >> reporter: at 5:15 a.m. there's a shootout with mateen.

>> they killed him. i watched him die. >> reporter: you watched the killer die? >> yeah. i could see him. >> they're shooting back and forth. >> reporter: the shooting rampage left 50 people dead, nakding the gunman. >> we currently have no evidence that he was directed by a foreign terrorist group but was radicalized domestically. >> reporter: today authorities answering criticism they waited too long. >> i think there was a misconception we didn't do anything for three hours. that's not true. >> reporter: this as new details emerge about mateen's checkered past. anned a administrate at his high school confirming to abc that he was suspended for celebrating the 9/11 terror attacks. one of his former classmates witnessed his outburst. >> he stood up and was like osama bin laden is my uncle. what the blank are you going to do about it? >> reporter: just six days before the attack, a spending spree.

mateen went to a jeweler near his florida home and spent nearly $9,000 on jewelry. he did not pay cash, and authorities are now investigating that purchase. they're also looking into mateen's wife of nearly five years. 30-year-old noor salman who find out if he had direct knowledge of her husband's plans. ? she could be fguilty of something. if she knew about his plan but didn't do anything. she could be guilty of a more serious crime if she helped in any way. >> reporter: now one of salman's former teachers saying she had learning difficulties. in an exclusive interview, susan, who asked us not to use her last name or show her face says salman was in all special education classes in middle school. >> i had difficulty with retention, and she had difficulty with concepti

septualiziny. she wouldn't have an idea of the consequenc consequences, or if she did, it wouldn't register. >> reporter: her family confirmed she does not understand cause and effect. they say she is completely innocent, and our hearts carry so much sadness for the victims in around. >> something like a learning disability won't gret you a not verdict. but it can be presented to a judge in hopes for a more lenient sentence. >> reporter: as investigators search for answers, the senate voted late today on proposals restricting gun sales to those on terror and no-fly watch lists, to the mentally will and at gun show, but all four failed. ♪

>> reporter: tributes continue for the lives lost. like that mother, brenda mccool, 150 balloons released in her honor. for "nightline," i'm lindsey janice in orlando. coming up next on night line, an alleged threat to the life of donald trump. what happened in las vegas? but first on a lighter note, how a wine that was one considered uncool and uncouth has become incredibly hot. celebrities and millennials seeing the world through rose colored glasses. ask your doctor if your heart is healthy enough for sex. do not take viagra if you take nitrates for chest pain or adempas® for pulmonary hypertension. your blood pressure could drop to an unsafe level. to avoid long-term injury, seek immediate medical help

for an erection lasting more than four hours. stop taking viagra and call your doctor right away if you experience a sudden decrease or loss in vision or hearing. ask your doctor about viagra single packs. (vo)never be good.can purina believes it can. inspecting every ingredient for quality? that's big. being confident that your pet's food is 100% safe? that's big, too. spending more healthy years with your best friend? that's amazing. big is exciting... daring... for everyone. pets don't just make life better - they make it bigger. purina. live big. ♪ it's here, but it's going by fast. the opportunity of the year is back: the mercedes-benz summer event. get to your dealer today

for incredible once-a-season offers, and start firing up those grilles. lease the e350 for $499 a month at your local mercedes-benz dealer. mercedes-benz. the best or nothing. why do people have eyebrows?i. why do people put milk on cereal? oh, are you reading why people put milk on cereal? why does your tummy go "grumbily, grumbily, grumbily"? why is it all (mimics a stomach grumble) no more questions for you! ooph, that milk in your cereal was messing with you, wasn't it? yeah, happens to more people than you think... try lactaid, it's real milk, without that annoying lactose. good, right? mmm, yeah. i got your back. lactaid. it's the milk that doesn't mess with you.

everybodygoing on now. blinds to go's summer shade sale, hurry in and take 20% off all shades!

save on roller shades, cellular shades pleated, wooven wood, roman, solar and cascade shades did we mention huge savings on shades? blinds to go. blinds for life. know what else is cool? blinds to go's summer shades sa, going on now. take 20% off all shades! roller, cellular, pleated, woven wood, roman, solar and cascade shades don't blink. sale ends soon. blinds to go. blinds for life.

ago. when rose wine was considered gauche, and other derogatory grench words. that's changing. ask brad and angelina or nicki minaj. should you be drinking it? here's rebecca jarvis. >> reporter: it's more than a drink. it's the rose life? it's a lifestyle. >> it's good times. being with friends, but not having a care in the world. >> reporter: rose, once considered the redheaded stepchild of wines is having its moment in the sun. >> the color, the shape of the bottle. it's magic. it's magic.

>> reporter: from bad arad and knee l -- angelina. people can't seem to get enough. and now josh estrops ki, the fat jewish is using his social media celebrity to launch his own wine, white girl rose. his line and many others capitalizing on a booming market. rose sales up 35% since last year, nearly 300 million liters consumed in the u.s. alone. today we're cruising around new york city in a pink convertible as part of his parade for national rose day. >> how many other things have parades? it's delicious and deserves a parade. >> reporter: it feels slightly dangerous. >> okay. a slight element of danger, yeah, but light danger.

>> reporter: and you haven't had any rose yet, so we're good. >> right. the rose comes after. >> reporter: a big part of the rose market, ma lillennials. hash tags like "rose all day" often paired with pictures from rose revelry. >> people who like to travel and go to the hamptons. they're looking for the next hot spot. >> reporter: sara has tapped into that. 20,000 followers, traveling the globe to snap and sip the finest rose. >> we're drinking a lot of it. >> reporter: and this is what you do for a living? >> yeah. great. >> reporter: i caught up with her on a cruise dedicated to the pink drink. it's a beautiful color. i think that's part of the appeal. >> it photographs very well. and beautiful people drinking

beautiful wine in beautiful places. the instagram accounts for rose keep coming every day. >> it's a brute rose. it's sparkling. >> it's a pretty color. >> it's really refreshing for the summertime. >> thank you. >> cheers. >> reporter: cheers. to our glass number one. >> yeah. >> reporter: how does it compare? >> in the world of rose? it's great. i typically drink still rose, but this is amazing. >> reporter: on the boat, one of the largest rose festivals. 1,000 guests and more than 150 different rose varieties. the founder introduced me to a few of them. rose is a world of wine. >> exactly. >> reporter: what makes a wine rose? >> it's a maturization of the skin and the juice for a short period of time. like, about an hour or two. when a red wine macerates for several days or weeks. the blend is fabulous. can you smell it?

>> reporter: i can. it smells really good. and america isn't just drinking rose. the country is now the third largest exporter of the wine. right behind france. famous in the rose world in some regions and italy. >> we have about 17 acres total here on this historic farm. >> reporter: paula has been making rose on the north fork of long island for 13 years. >> you're seeing the grapes. they've actually just sprouted. they're new growth. it takes about four of these vines to make a bottle of rose. >> reporter: the area is a sweet spot for growing the grapes. >> the soil out here is very, very fertile. it's also great for the flavors of making rose. >> reporter: the stakes are high. >> it's about 10$,000 an acre to just to keep them growing. >> reporter: paula says it's worth every penny. >> it's not just a ritual in drinking rose. it's a lifestyle. you fall in love looking at the

color, the shape of the bottle. you want to buy five. >> reporter: if you're buying a wott bottle, don't go vintage. this stuff is best enjoyed young. look for a bottle labeled with a recent year. it pairs well with summer sta e staples like bbq. there's no need to break the bank. a decent bottle is 20. back at the parade, they're launching the latest product, babe, the first sparkling rose in a can. >> you know, you can drink it in your uber, bring it in your bag. make life less unbearable. have it with you at all times. >> reporter: this is the new babe. how is it going? >> well. >> reporter: are a lot of people coming in and asking? >> they are. >> reporter: how much do you know about wine and the wine business? >> we knew nothing about the wine or briwine business, but we

been developing a relationship with our consumers with our books and other products, and we just sort of dove right in and tried to figure out exactly how we can make a wine. >> reporter: their mission, more than a business, they say, but a heroic and selfless act. >> we don't want -- i don't want my future children, if god forbid, i have any, to grow up in a world where there's not enough rose. >> never again. >> never again. >> reporter: and though they acted on the wine of the movement, this is no fleeting trend, they say. rose is here to stay. >> a lot of alcoholic beverages have gone out of style. do you ever worry what happens when rose isn't envogue anymore. >> does awesome stuff go out of vogue? do kittens go out of style? i don't think. >> reporter: for knightli"night new york. next, a shakeup at the top of donald trump's campaign tonight. and what we're learning about an

apparent attempt on his life at a rally in las vegas. if you think you've seen it all, ...well do i have a surprise for you. it's red lobster's new lobster and shrimp summerfest! with the lobster and shrimp... ...you love in so many new dishes, you're gonna wanna try... ...every last one. like the new coastal lobster & shrimp. with a wood-grilled lobster tail, ...wild-caught red shrimp crusted with panko, ...and shrimp fresh off the grill and brushed with... ...summer ale bbq sauce. or try the new lobster & shrimp overboard, ...because when a dish can wow you like this, ...overboard's the only way to describe it. but hurry, this ends soon. hmmmmm....... [ "dreams" by beck ] hmmmmm...

the turbocharged dream machine. the volkswagen golf gti. named one of car and driver's 10best, 10 years in a row. wopen up a lot of dawn. tough on grease...yet gentle. dawn helps open... something even bigger. go to facebook.com, dawn saves wildlife. try cool mint zantac. hey, need fast heartburn relief? it releases a cooling sensation in your mouth and throat. zantac works in as little as 30 minutes. nexium can take 24 hours. try cool mint zantac. no pill relieves heartburn faster.

finally tonight from an alleged threat to his life to a campaign shakeup late today. it was another newsy day in trump world. >> thank you. thank you, officers. >> reporter: quick action by police at a las vegas rally this weekend kept donald trump out of harm's way. >> we love our police. >> reporter: authorities say michael steven san ford approached a police officer claiming to want trump's officer, then went for the officer's gun which led to his arrest. he's a 19-year-old from great britain who allegedly said this was an attempt to kill trump. he now faces multiple charges. the plot coming to light today while the trump campaign faced a major shakeup. trump firing corey lewandowski.

>> it's different than a primary election process, and understanding people want to change how the campaign is run is fine. >> reporter: sources say trump's children fuelled the effort to dump lewandowski. >> i have a great relationship with them. >> reporter: tonight trump saying lewandowski's a good guy. >> i'm proud of him. he did a great job. we're going to go a little bit of a different rout. >> reporter: now trump -- >> if some of those wonderful people had guns strapped to their waist or ankle, and this son of a [ bleep ] comes out and starts shooting. [ applause ] and one of the people in that room happened to have it and goes, boom, boom, you know what? that would have been a beautiful, beautiful sight, folks. >> reporter: then taking to twitter after taking heat even from the nra, writing, when i