gary tuchman, thank you so much. >> and up next to gary's point about the dogs being busy, the hard lessonsny mass shootings, and we will walk you through the training course designed to show you what to do in an active shooter situation. nutrition is a word getting thrown around a lot these days. but do you really know what it means? no. the answer is no. because it's complicated and science-y. but with my nutrition mixes, you don't have to worry about the science. you can just put it in your pie hole. mmm peanuts, pecans, cashews. i'll have another helping of science, please! so whether it's energy or heart health you're after, start optimizing your nutrition with my specially mixed nutrition. planters. nutrition starts with nut. you'll enjoy consistent comfort with the heating and air conditioning systems homeowners rank number one. american standard heating and air conditioning. a higher standard of comfort. if you have moderate to severe plaque psoriasis isn't it time to let the real you shine through? introducing otezla, apremilast. otezla is not an injection, or a cream. it's a pill

gary tuchman as well. we will be right back. [woodworker] i live in the fine details.uickbooks. i use the payments app to accept credit cards... ...and everything autosyncs. those sales prove my sustainable designs are better for the environment and my bottom line. that's how i own it. >>> for information on how to help the orlando shooting survivors and the the families, go to cnn.com/impact and you will find many organizations. and the one orlando fund is the one that the mayor and others are going to recommend and distribute money to a number of organizations, but check it out on cnn.com/impact. our coverage continues right now with don lemon. with don lemon. don. -- captions by vitac -- www.vitac.com >>> this is cnn breaking news. >> breaking news, and lot of oit about the man responsible for the deadliest mass shooting in history. this is c nshgs nshnn live, and lemon live in orlando. and once again, president barack obama has to console the victims' families. >> i held

but i don't know if the country is. >> gary tuchman joins us now from cincinnati. which other names were mentioned to you by clinton supporters as possible vp material? >> reporter: one of the names we heard today quite a bit was julian castro, the housing secretary, former mayor of san antonio. also al franken, u.s. senator from minnesota, former cast member from "saturday night live." one name we didn't necessarily expect, one woman told us she wants to see the vice presidential nominee be michelle obama. we told her that michelle obama is not seeking the vice presidency and she told us either way, if hillary clinton would pick michelle obama it would be quote, an inspired choice. >> all right. appreciate it, gary. >>> with the british vote to leave the european union, what it's doing to your retirement account. we discuss that next. >>> later, a new timeline of the tragedy in orlando and the questions it raises about the police response. orlando's police chief joins us ahead. ng it hard to sleep and open up on time. then i found aleve pm. the only one to combine

gary tuchman talked to her brother today. >> brian was the first of three children.lost his younger brother nelson to cancer years ago. his younger sister, amanda, went to the pulse nightclub on saturday night. >> if there's one person on earth that i thought could take a couple shots and survive just to spite the shooter, it was amanda. >> reporter: but amanda was killed. >> a parent should never have to bury one child, not two. it's unfathomable she should have to go through this again. she's the sweetest person ever. >> reporter: they got a call that amanda had gone to the pulse and feared the worst when they got no answer. they saw the snapchat videos from the club showing people dancing and having fun. but there was one last video in which the first gunshots are heard. amanda with a confused and concerned look on her face, and those are the laimast images of amanda's life they'll ever see. >> so when you saw this snapcat video of your sister, tell me how it made you feel. >> i mean, fear for my sister. you feel a sense of helplessness. you want to jump in the te

gary tuchman got there early to talk to supporters. >> reporter: these are true bernie believers. ♪ bernieng me a dream ♪ >> reporter: sanders' supporters lining up as far as the eye can see in san francisco. hours before the candidate himself even arrives. >> bernie or bust. >> reporter: but is that bust about to occur? is this bernie sanders' last stand? >> if bernie sanders doesn't get the nominee it would be really depressing. i don't think people will stop believing in him or stop trying to fight the good fight. that's going to be a really sad day if that's the case. >> reporter: sanders refuses to step aside for hillary clinton despite the fact she is on the verge of becoming the presumptive democratic presidential nominee. are you prepared for her being named that? >> i don't want to hear it but, yes, it looks like that could happen, very well happen. >> we knew this was coming. >> reporter: how do you feel about that? >> okay. she's better than the alternative. >> reporter: conciliatory viewpoints like those seem to be the exception among these fervent supporters. >> they are most

gary tuchman spoke weith her brother. >> reporter: brian alvear was the first of three children.ter amanda went to the pulse nightclub in orlando saturday night. >> if there's anyone on earth that i thought could take a couple shots and survive just to spite the person that shot them, it's my sister. >> reporter: but tragedily, amanda, a nursing student at the university of south florida, was one of the 49 people killed. >> my parents should never have to bury one child let alone two. i mean it's unfathomable that my mom has to go through this again. like it's just -- she's the sweetest woman, has never said a bad word about anybody. >> reporter: brian and his parents got a call on sunday morning that amanda had gone to the pulse with several friends. they frantically tried to reach her and immediately feared the worst when they got no answer. they then saw the snapchat videos, short videos amanda had posted from the club, showing people dancing and having fun. but there was one last video. [ gunfire ] >> reporter: in which the first gunshots are heard. amanda with a confused and

cnn's gary tuchman met with one woman who says she didn't just lose her friend. and friends of those who are missing in orlando told to meet at a makeshift crisis center where they would receive the official word on whether their loved ones had been identified. sara lopez was told to show up at 8:00 a.m. to find out about her closest friend in the world, who was missing. but instead she received a call in the middle of the night that he had, indeed, been killed. >> i thought that he was immortal, you know? he always said that he would never left me, that he would never abandon me, and i trusted him. >> sara always called him jimmy. he worked in retail. she is an artist. they met where they both grew up in puerto rico, and both moved to the orlando area. when did you first meet jimmy? >> i met jimmy when i was 16 years old in a get-together at her sister's house, and we fell in love immediately. we knew that we were stuck for the rest of our lives together that very moment. even when he was gay and i was gay. so it was not a sexual attraction. it was a soul mate m