javier cazares' daughter jacklyn, a fourth grader, was inside and shot. she was rushed to the hospital, but later died. tonight, many asking, could children have been saved? >> they said they rushed in and all that. we didn't see that. >> reporter: and tonight, the children who did survive now living with hor playing out in their head. fourth grader gemma lopez in a classroom down the hall. when did you notice that something was wrong? >> well, whenever the bullet came through the wall. so, i turned off the lights, everyone went under the table. >> reporter: had you practiced lockdown drills? >> yes, since kindergarten. >> not on practicing drills, children across this country, and then this community having to go through the actual tragedy itself. matt gutman back with us again tonight from texas and matt, i know we also learned more from authorities say, investigators recovering a large amount of dmatt, i know you also talked with the suspect's mother for the first time about her son? >> reporter: we spoke to the suspect's mother last night, david, sitt

amna: javier cazares' daughter jacklyn was killed on tuesday. he was outside the school during the shooting, in disbelief over the police response. javier: they were there without proper equipment, i saw. 15-20 minutes later came with their shields. like, that should have been in their cars, you know, going in, not waiting 30-45 minutes to get in. amna: vincent salazar's 11-year-old daughter layla was one of the victims. vincent: how fast can you act? i mean... i don't know. i don't know how much of a difference it would have made, you know, if, you know, maybe they could have acted faster. that remains to be seen. amna: today the director of the texas department of public safety, steven mccraw, offered the most detailed timeline to date. just before 113:0 a.m., the gunman crashed his truck near the school. a teacher calls 911 and the gunman begins then shooting inside school windows. at 11:33, the gunman enters the school through a door officials say was propped open by a teacher, and begins shooting into two classrooms. at 11:35, uvalde police

javier cazares, whose jacklyn was killed, said, quote, they said they rushed in and all that. we didn't see that. he says he saw police officers evacuating children but grewage grew angry when officers didn't enter the school immediately. he said, quote, there were plenty of men armed to the teeth that could have gone in faster. this could have been over in a few minutes, end quote. he also claims it took 15 or 20 minutes for law enforcement officers to bring protective shields to enter the school. rose gomez, whose children are in second and third grade, told the "wall street journal," she drove 40 miles to the school after learning about the shooting. she saw parents encouraging police and other law enforcement, first politely and then with more urgency, as you can imagine, to enter the school. gomez told the "journal," u.s. marshalls put her in handcuffs, telling her she was being arrested for intervening in an active investigation. she's a parent. she says local officers she knew convinced the marshals to set her free. gomez says she then got some distance from the crowd,

jose flores, javier lopez. uziak garcia lexie rubio. ellie garcia jaclyn cazares jayce luavanos and teachers irma garcia, eva morales. >> i've worked for this district for 30 years and never thought i would be sitting in front of you doing this today please, pray for our teachers, pray for our community and we will move forward. >> there are new details tonight about the gunman and his background from law enforcement officials and from some of those who knew him our tom yamas has late details. >> reporter: tonight we're learning more about 18-year-old gunman salvador ramos. he grew up in the same town he tore apart alongside the families whose children he murdered during tuesday's senseless massacre >> anyone who shoots his grandmother in the face has to have evil in his heart, but it is far more evil for someone to gun down little kids. >> reporter: people who knew the shooter described him as a loner in a small community of about 15,000 people. >> nobody knew him >> reporter: he dropped out of a local high school and had worked at a f

javier lopez, lexi rubio, jacqueline cazares, nevaeh bravo, elijah torres, names forever etched in the memories of those touched and affected by this horrible tragedy. >> the stain on the nation, show it to the world. when he died, i died with him. >> boris sanchez, thank you for that. >>> we'll have much more from uvalde, texas ahead as we continue to learn new details about the 21 innocent lives lost in that massacre, 19 children and two teachers. miss allen over there isn't checking lesson plans. she's getting graded on her green investments with merrill. a-plus. still got it. (whistle blows) your money never stops working for you with m merrill, a bank of america company. once upon a time, at the magical everly estate, landscaper larry and his trusty crew... were delayed when the new kid toled his truck. timber... fortunately, they were covered byrogressive, so it was a happy ending... foalmost everyone. through the endless reasons to stop... through the challenges, the hurt, the doubt, the pain. no matter what, we go on. biofreeze. we're carvana the company who invented car vendin

rodriguez, jacqueline cazares, tess mata, nevaeh bravo, ellie garcia, names etched for those touched by this horrible tragedy. >> when he died, i died with him. >> that was cnn's boris sanchez. with that report. on friday the community came together in a vigil to honor the lives that were lost. cnn's gary tuchman now who is in uvalde and has more on how those who died are being remembered. >> reporter: here in downtown uvalde, texas a church choir offering comfort in a city park right next to a makeshift memorial that's been set up. this memorial is very sad but also very necessary. it's a very small city but thousands of people have turned out here to take a look, to be together, to offer comfort to each other. there are 21 crosses with the names of the 19 children and the two teachers who were killed. right here the cross of eva mireles. she was one of the teachers. you can see the balloons, the flowers and the messages written on a heart. "you are a hero. you are truly a hero. i love you." and then the children's crosses. annabell rodriguez. annabell rodriguez has minnie mouse her

imags that >> reporter: the families of 19 children won't get that reunion. 10-year-old javier lopez was funny, never serious, his mother told the "washington post. 10-year-old jackie cazares and annabel were killed. their aunt saying today my two beautiful nieces were taken away from us too soon he had just received a reward for the honor role hours before he was killed. and this 10-year-old remembered by her aunt as a girl who loved her family >> she was very happy and very outgoing, loved to dance and sing and play sports she enjoyed being with the family >> she sounded like a good girl. >> she was >> reporter: the victims likely all familiar faces, if not friends to children like armani, now left to make sense of this tragedy. >> he knows what happened, but he's still in shock. >> reporter: at the time of the shooting, his aunt leslie says armani helped get his classmates out of the building. >> i woke up just thankful that nothing happened to him. but he was telling us that he was helping the teacher make sure all his classmates got out before him. >> reporter: a selfless act in

rojelio torres, ten years old. -- jacqueline cazares, ten years old. jailah nicole silguero, ten years old. jayce carmelo luevanos, ten years old. tess marie mata, ten years old. makenna lee elrod, ten years old. alexandria aniyah "lexi" rubio, ten years old. joining us now from uvalde, texas is nbc news national correspondent gabe gutierrez. what are you learning, gabe, a bout this at this hour tonight? >> it was heartbreaking to hear you name those children just now, lawrence. and it was heartbreaking to see what went on today behind me as vigils wrapped up for the victims here. members of the community -- hundreds, if not more -- came to pay their respects. and lawrence, you just mentioned all those people who died. it was young children, 19 of them, and two teachers. that is really what many people here want to focus on. they don't want to focus on the gunman, as we see those pictures. you mentioned those two teachers, irma garcia and eva mireles, they have been frequent co-teachers for the past five years. and the garcia was a veteran teacher here