mr. saipov had been planning this for a number of weeks. >> reporter: he came to the u.s. on a green card in 2010. overnight, the fbi searched his last official address in tampa, florida. as well as the location in materson, w suspect is believed to have been living recently. new york's governor believes this is a classic case of the radicalization of a domestic terrorist. >> they have a very simple play. rent a car or truck and create mayhem. >> reporter: the attack took place on a scenic bike path near the hudson river. the suspect drove about .8 of a mile striking pedestrians and bikers. after he rammed a school bus, he rammed through traffic armed with what police say were a pellet and paint ball gun. nypd officer ryan nash took down the suspect with a gunshot to the stomach. >> we were really terrified and shocked at what happened. >> reporter: one person who knew the suspect in florida told police saipov liked the u.s. and didn't seem like a terrorist. saipov was a commercial truck driver and had recently worked for uber. the company says he passed a background check

mr. saipov had been planning this for a number of weeks. he did this in the name of isis. >> reporter: john miller deputy commissioner of intelligence and counter terrorism for the nypd tells the media that 29-year-old sayfullo saipov knew exactly what he was doing when he plowed into innocent people on the west side highway bike path yesterday. in fact, officials claim saipov followed step by step instructions put out by isis on social media on how to carry out a vicious act like this one. >> the actions of a depraised coward because that's what this was. >> this investigation is still in its infancy. we do yet have all the answers, and there are details today and they'll be more down the road and not everything he'll we'll be able to share with you. >> reporter: saipov has never before been the subject of an nypd or fbi investigation but officials believe he may have connections to suspects who we were. >> what we are looking for is how has he touched the subjects of other investigations, what is his connectivity to those people and we're

based on the investigation overnight, it appears that mr saipov had been planning this for a number of and along with the other items, recovered at the scene, was some notes that further indicate that. he appears to have followed, almost exactly to a t, the instructions that isis has put out in its social media channels before, with instructions to their followers on how to carry out such an attack. among those killed, five friends from argentina. men in their late 40s, in new york to celebrate the 30th anniversary of their graduation from college. two americans and a belgian were victims. president trump has demanded tough justice and tighter immigration measures. we need quick justice and we need strong justice. much quicker and much stronger than we have right now. because what we have right now is a joke, and it is a laughing stock, and no wonder so much of this stuff takes place. in his home town, this tower was erected in defiance of terror, a symbol of a resurgent city that refused after 9/11 to be cowed, and at the ground level this morning that spirit was very much in evidence

based on the investigation overnight it appears that mr saipov had been planning this for a number ofe of isis, and along with the other items, recovered at the scene, were some notes that further indicate that. he appears to have followed, almost exactly to a t, the instructions that isis has put out in its social media channels before, with instructions to their followers on how to carry out such an attack. among those killed, five friends from argentina. men in their late 405, in new york to celebrate the 30th anniversary of their graduation from college. two americans and a belgian were victims. president trump has demanded tough justice and tighter immigration measures. we need quick justice and we need strong justice. much quicker and much stronger than we have right now. because what we have right now is a joke, and it is a laughing stock, and no wonder so much of this stuff takes place. in his home town, this tower was erected in defiance of terror, a symbol of a resurgent city that refused after 9/11 to be cowed, and at the ground level this morning that spirit was very much

mr. saipov. i don't know.> we are going to reconstruct that literally day by day going backwards. but at this point i'm not going to get into that in any detail. >> everything you said is a part of the investigation now and we are peeling back through obviously the process here. what were his communication, who are they with, what is the content, what is relative to this? >> we are about 20 hours in now. we are going to speak to everyone involved, relatives, acquaintances, people i work with. i don't have that right now. james. [inaudible] >> yeah, okay. so in typical fashion of an n.y.p.d. cop, he thinks what he did is he did was not an act of terror with them. he thinks it is why you joined the police department. i was at the hospital and i don't think we could find a more humble human being. they were at the high school for an unrelated column a month old ben there was a vehicle accident, so ryan and his partner thought they were going out to handle a vehicle accident. once i got outside, they were confront

mr. saipov had been planning this for a number of weeks. >> reporter: renting this truck and running down sierkcyclists, ramming a school bus and yelling god is great in arabic before he was stopped by patrol officer who stopped and woiunded him. >> i feel like we were just doing our job like thousands of officers do every day, i understand the importance of yesterday's event and the role we played. i'm grateful for the recognition we have received. >> reporter: police say he may have been planning even more violence. >> recovered in and around the vehicle were multiple nooknives the two imitation pistols, the other a crossman pellet gun. a handwritten note in arabic pledging his allegiato president trump is calling for stepped up vetting of immigrants. >> to further investigate this animal who did the attacking. >> reporter: an investigation continuing after the deadliest terror attack this the city since 9/11. there is still a police presence here but a lot of barricades and crime scene tape has come down now and this neighborhood slowly getting back to the way life was before the attac

mr. saipov had been planning this for a number of weeks. in the name of isis and along with the other items recovered at the scene was some notes that further indicate that. he appears to have followed almost exactly to a t the instructions that isis has put out in social media channels before with instructions to followers on how to carry out such an attack. reporter: i think the key takeaway from deputy commissioner miller comments it had been planned for weeks and inspired by isis. the obvious questions, who else knew about it? help being given, and we expect more to come. we were reminded a number of times that the investigation is still in early stages. neil: connell, thank you very much. connell mcshane. he indicated florida the diversity immigration lottery program, got into the country that way, and trying to recruit family members and/or friends. the president says enough is enough, it's gotta go. >> i am today starting the process of terminating the diversity lottery program. i'm going to ask congress to immediately initiate work

mr. saipov had been planning this for a number of weeks.cene was some notes that further indicate that. he appears to have followed almost exactly to a "t" the instruction that is isis has put out in its social media channels before with instructions to their followers on how to carry out such an attack. at this point we'll open it up for questions. >> commissioner? >> yes? [ inaudible ] >> the mayor talked about this yesterday, and it's a big city. i know the bike path very well. of course we're going to take a look at that now. i said yesterday we learned from every even, not just in this city but across the world. yes? >> have you had a chance to talk to the suspect and what did he say? >> bill or john? >> the suspect was interviewed at the hospital, and we're not going to be able to go into his statements in any specificity. >> this side. right there. >> i have a question for governor cuomo. [ inaudible ] and for the police commissioner we have sources telling us that authorities knew his associate before this incident. does that mean t

mr. saipov had been planning this for a number of weeks. he did this in the name of isis. >> reporter: investigators today are learning everything they can about 29-year-old sayfullo saipov. the uzbekistan native is accused of mowing down pedestrians and bikers on manhattan's west side. >> this was a heinous attack that resulted in eight deaths and serious injuries. >> reporter: charlotte after 3:00 tuesday afternoon, authorities say saipov drove a pickup truck he rented at a new jersey home depot on to a bike path in lower manhattan. it sped down the path for more than ten blocks, leaving twisted bicycles and bodies in its wake before crashing into a school bus. jumped out of the truck with what appeared to be two weapons. witnesses say he yelled allahu akbar. parents watching with their children terrified as school was letting out for the day. >> i was just pushing kids back to school. >> reporter: nypd officer ryan nash is being hailed as a hero. he took saipov down with a gun shot to the stomach. >> he was very humble about what he did,

mr. saipov had been planning this a number of weeks.this in the name of isis. >> fbi agents searched what they believe is the suspect's home in new jersey as well as the mosque. we have also learned that the fbi said they're looking for ot questioning in yesterday's attack, this is dominating headlines but when it comes to seeing terror attacks on television and on lines, are we becoming desensitized to it? here to take a closer look a licensed clinical psychologist. we were talking about this in the newsroom. seems like, these all keep happening and it's almost like a part of life now. seems like. you know, how do we deal with it and do you think we are becoming in a sense desensitized >> sadly it is becoming part of life. it was just a month ago that we had las vegas and before that, it was hurricanes and all sorts of things that were in the news all sorts of devastation. becoming desensitized is part of coping in a way. nobody should have to deal with this kind of terrorism. letting terror impact your life and not being able to conti

mr. sayfullo saipov had been planning this for a number of weeks. he did this in the name of isis. reporter: investigators learning everything they can about sayfullo saipov, accused of running a truck in new jersey and driving it down a popular new york city bike trail for nearly a mile. running into people, killing and injuring many. for. >> he appears to have followed the instructions that isis has put out its social media channels, with instructions to their followers on how to carry out such an attack. reporter: simply say that they have interviewed sayfullo saipov who is in the hospital after police shot him, ending his rampage. the suspect reportedly bragging about the attack. reporter: sayfullo saipov had recently been living in paterson, new jersey. about 25 miles from the scene. investigators did as a that had not been the subject of any previous investigation. it appears he had connections to individuals previously investigated by the police. >> all of america's praying and grieving are the families that we pledge to renew our resolve to and to further investigate this a

mr. sayfullo saipov has been planning this for a number of weeks. he did this in the name of isis. and along with the other items recovered at the scene was some notes that further indicate that. he appears to have followed almost exactly to a t the instructions that isis has put out in social media channels before with instructions to their followers on how to carry out such an attack. >> the investigators say the suspect was not on the fbi's radar. but a source says he had been in contact with someone who was. the accused killer 29-year-old father of twi came to the united states from u back stan back in 2010. moments ago the president of the united states called for an end to the diversity visa program that allowed him to first come to this country. >> this man that came in, or whatever you want to call him, brought in with him other people, and he was the point of contact, the primary point of contact for, and this is preliminarily, 23 people that came in or potentially came in with him. and that's to the acceptable so we want to get rid of chain migration. >> white house team

mr. saipov will say more about us than we about him." surprising you took no time at all for the new york tragedy to turn political. rhetoric from both parties and both ends of pennsylvania avenu pennsylvania avenue. chief national correspondent ed henry. >> republicans were all over hillary clinton for focusing on gun control after the las vegas massacre. now that she was on the other foot. democrats expressing outrage tonight that the president is pushing extreme vetting immediately after this terror attack. remember after treating last night, he was ordering the homeland security department to refugees. today, he vowed to shut down what is the diversity visa lottery program. a terrorist suspect in this case entered the u.s., as you heard, from uzbekistan during the obama administration under this program that has been in place for over 20 years. it provides visas for people from parts of the world that have small numbers of emigrants here in america. the idea of diversity driving this program has led the president to charge that it's

mr. saipov had been planning this for a number of weeks. he did this in the name of isis.e appears to have

mr. saipov has never been the subject of an nypd intelligence investigation, nor has he been the subject of an fbi investigation. it appears he will have some connectivity to individuals who were the subjects of investigation though he himself was not. >> reporter: law enforcement the scrubbing the suspect's electronics and there is evidence that he was searching online for isis instructions for using trucks as weapon, dana. >> dana: has anyone officially claimed response bltd for the attack? and does that even better? >> reporter: well, first point, no one has given an official claim of responsibility. to your second point, the bottom line is that this discussion of whether someone is self-radicalized or directed by isis operatives overseas really is of little consequence any more because what we see in these tapes is they get the inspiration online and they have some kind of support network. they talk about this suspect as being a lone wolf. i think based on what we know now and his contacts with others who were under federal investigation is that's a little misleading. it take morse t

mr. saipov had been planning this for a number of weeks. he did this in the name of isis. >> investigators say the uzbekistan native is a self-radicalized terrorist. since the attack he has been unremorseful, in fact he has bragged about what happened. >> he appears to have followed almost exactly to a t the instructions that isis has put out in its social media channels before with instructions to their followers on how to carry out such an attack. >> investigators say saipov rented a truck from a home depot in new jersey and drove to lower manhattan where he drove down a bike path, smashing anything in his way. finally they say he jumped out of the truck and appeared to be waving two weapons. police officer ryan nash is being hailed a hero, ending the rampage by taking him down with a gunshot. nbc news learned the suspect was not on any terror watch lists but investigators are looking into any connections he had with people who were on such lists. president trump spoke out about the attack today saying he would consider to sending saipov