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a picture is beginning to emerge now of 29-year-old omar mateen. as a confused, abusive, memly ill man. born in new york, son of afghan immigrants. his knowledge of extremist islam was addled. in fact he pledged loyalty to multiple terrorist groups that actually oppose one another. his ex-wife says he suffered from bipolar disrder. his father says he hated gays. jeff pegues. >> reporter: the fbi is examining omar mateen's cell phone and computer they try to track what he was talking to and reading in the weeks and days before the attack. sources tell cbs news the 29-year-old was active on social media and on the internet. the fbi has found evidence that he may have researched disney

world as a possible target before choosing the pulse nightclub. investigators say mateen had been inspired by extremists and radicalization stretches back years to groups like hezbollah, al qaeda, and isis. fbi director james comey said mateen appeared to be self-radicalized. >> we so no indication this was a plot directed from outside the united states. we see no indication that he was part of any kind of network. >> reporter: mateen had been on the fbi's radar. in may of 2013, co-workers complained that he was boasting of family connected to al qaeda and that he was a member of hezbollah. comey says he expressed a desire to take his own life. >> he said he hoped law enforcement would raid his

apartment and assault his wife and child so he could martyr himself. >> reporter: the fbi investigation included wiretaps and informants and agents interviewed mateen twice. cleared him after determining he was not a threat. he resurfaced again when the fbi was investigating an american suicide bomber in syria. that man and mateen went to the same florida mosque. but the fbi cleared mateen. the fbi has cleared terror suspects in the past who have gone on to violence. in 2009, a man killed a soldier and injured another at a military recruiting center in little rock, arkansas. the killer who had been jailed in yemen, and said he was affiliated with al qaeda, had been interviewed twice by the fbi, but eventually cleared. in 2009, army major nadal hassan, in charge with an wal laki, ran two investigations of hassan but accused of faelg to connect the dots before the shooting. in the mateen investigation, the fbi is promising a review to determine if something should have been done differently. we are looking for needles in a nationwide haystack and called on to determine which pieces of hay may become needles.

>> reporter: federal law enforcement say they have few opportunities to spot and stop lone wolves. scott, when they get the intelligence they feel they need to build a case, often the first amendment limits what they can do. >> jeff pegues in the washington newsroom. jeff, thank you. well orlando became part of the presidential campaign today. here's nancy cordes. >> the only reason the killer was in america in the first place was because we allowed his family to come here. >> reporter: speaking in new hampshire, donald trump argued the nation's very survival hinges on banning muslim immigrants. >> if we don't get tough and if we don't get smart and fast

we're not going to have our country anymore. there will be nothing, absolutely nothing left. >> his proposal has been denounced by republican leaders. but that did not stop trump who argued radical islam is incompatible with western value. they enslave women and they murder gays. i don't want them in our country. >> our open, diverse society is an asset in the struggle against terrorism not a liability. >> reporter: in cleveland, hillary clinton said scapegoating one religion makes america less safe. >> it is no coincidence that hate crimes against american muslims and mosques have tripled after paris and san bernardino. that's wrong. and it's also dangerous. it plays right into the terrorists hands. >> reporter: clinton long argued that using the term radical islam also plays into

terrorists' hands. but in interviews today under pressure from trump she changed course. >> whether you call it radical i think they mean the same thing. i'm happy to say either. >> trump said today the president either doesn't know what he is doing or is intentionally going easy on terrorists. he wouldn't say scott why he believes the president would do that. but this is the man who for years accused the president of being a secret muslim. wasn't born in this country. >> nancy cordes, thank you. many families did not learn the fate of their loved ones here in orlando until today. jamie yuccas spoke to the brother of 21-year-old cory connell, connell's girlfriend took him to the nightclub to teach him latin dancing. he was killed. his girlfriend was wounded. >> i knew in my heart of hearts if something happened to him he was protecting his girlfriend. >> does she know cory died? >> she did not yet. today my sister is going to break the news to her later tonight. >> how is the rest of your family reacting? >> mom and dad they are

devastated. my grandparents devastated. you know, cory was the guy of the family. he was that gift. he was always the giver. if somebody needed something. call cory. call cory. cory would give it. he would deliver. it's what he did. >> cory connell one of the 49 killed. the death toll would have been much higher if not for this. the busiest, fully equipped trauma center in all of florida is 2 blocks from here. just three months ago, orlando regional medical center practiced an active shooter mass casualty drill. well today we spoke to six surgeons who saved lives. michael cheatham, chadwick smith, william haverin, mark levee, joseph ibrahim, matt lubey, they saw 44 gunshot patients at once. >> they brought the first

patient in. then they brought another patient in. they brought another patient in. they said they were possibly 20 more gunshot wound patients coming in. at that point i called my backup, very chaotic. there were, there were patients that were in pain, there were patients that were crying. there were staff that was -- very busy. but very task oriented. we had gunshot wounds to the chest. gunshot wound to the abdomen. to the extremities. most fairly severe because of the high velocity projectiles. >> what do you mean by that? >> this was an assault rifle. and so, this is a military weapon. so the bullets have a lot more -- energy to them, a lot

more speed. and so they cause more tissue injury. >> there is an individual who hired multiple operations in the same 24 hour time period because of active ongoing bleeding. actually got operated on twice in the operating room, once in the icu. >> you saved him? >> we did, yeah. >> are these gunshot wound different than the kind of saturday night gunshot wound you typically see? >> certainly they're different from what we used to call civilian gunshot wound. which were typically slower bullets, smaller bullets, but, increasingly we are seeing gunshot wound from high velocity military type weapons almost on a daily basis. so, the injuries that this type of injury is something we see every day. it's just not -- 44 patients. >> were the patients saying anything? >> some of them were crying. some of them were confused. and then, you note more critical patients obviously weren't, weren't saying anything. many people were asking where their friend and where their loved ones were? >> of the surgeries you performed does any patient stick in your mind? >> i think they all stick in your mind. after something this horrific, going from operating room to operating room, patient to patient, i don't think any of us will ever forget this. this is not something that, that goes away.

>> we had hundreds of family members in the lobby of the hospital. all clamoring to know how their loved one was. and i think the thing that struck many of us is just -- the devastation to these families in not knowing for hours and hours because so many of the victims were still inside the club. >> i was trying to put myself in their position just, not knowing if their loved one was in the hospital, or if their loved one was still at the night club. and -- you know, i just want to say that i am proud that, that we were there to be there for them. and, it's -- it's very humbling. >> the active shooter drill that the hospital staged in march was at the suggestion of the american college of surgeons. it turns out that since the sandy hook killings, the american college has been urging hospitals across the country to do the same. coming up next from orlando, the gunman's father condemns the attack, but did he know his son

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today, david begnaud talked to the father of the orlando gunman at his home south of here in port st. lucie. david?

>> reporter: scott, the father invited us into his home. it was clear he wanted to use the interview as a pulpit. >> i don't approve of what he did. especially, what he did was inside the united states, that's the home. >> reporter: the president of the united states called your son's actions terrorist. do you agree? >> that's what i said what he did was an act of terrorism. >> reporter: you believe your son was a terrorist? >> no, what he did was. awe siddiqui's politics are bizarre, online he rants against american backed leadership. we asked about his son's isis declaration. >> he pledged allegiance to isis. was your son a follower of isis? >> i wasn't aware of what he did. i wish i say he was alive. i would ask him why did you do that. that's not the way i allow my

son to behave that way. >> reporter: would you say your son hated america? >> no. he was born american citizen. he was born in new york. >> reporter: in a facebook posting after his son's attack on the pulse, the father says "god will punish those who are involved in homosexuality." but to us he denied ever expressing such a thought. would you agree homosexuals should we killed? >> sir, don't twist. >> i'm asking. in the videos you talked about that. >> i didn't talk about none of this. >> reporter: do you believe homosexuals -- >> what he did, he did something on his own. i never approved of such action to anybody. >> reporter: the father was born in afghanistan, his son the shooter born here in the united states. scott, there is a report tonight the back door to the shooter's apartment has been pride open and someone entered. police have come to the scene and taken fingerprints. we are told a burglary report will be filed.

>> david begnaud reporting.

president obama's national security team briefed him today and then he spoke to reporters. here is margaret brennan. >> reporter: president obama blamed a toxic mix of extremism and easy gun access. >> out of 300 million people there will be some individuals who find for whatever reason that kind of horrible propaganda enticing. and if, if that happens, then that person can get a weapon. that is a problem. >> now with 220 days left in office, aide say he is intensely frustrated he is unable to stop either. despite more than 14 public appeals to congress. >> they need all of us right now. >> his emotional plea for stronger gun control in the wake of newtown failed to persuade. so too did his oval office

address after san bernardino. mr. obama has consistently blamed the nra for holding congress hostage. today the president said the nation need some soulsearching. >> we are also going to have to make sure that we think about -- the risks we are willing to take by -- by -- being so lax in how we -- we make very powerful firearms available. to people in this country. >> after nearly two dozen executive actions and failed ban on gun sales to those on the terror watch list, the president has exhausted nearly all options. >> margaret brennan, thank you. we will have a final thought in a moment.

>> there are many expressions of sympathy in brazil, 100 gay activists gathered on a chilly night to mourn the souls lost here. the sydney harbor bridge in australia, was bathed in the rainbow colors of the lgbt movement. in london, a moment of silence was followed by the release of 49 balloons. one for each victim. and tonight, paris still recovering from the november attacks there, stood in solidarity with orlando. that's the overnight news for this tuesday. for some of you the news continues. for others, check back with us a little bit later for the morning news and cbs this morning. reporting tonight from orlando,

i'm scott pelley. welcome to the overnight news, i'm don dahler. the city of orlando and much of the nation remains in shock after the worst mass shooting in u.s. history. 49 people were killed inside a nightclub before terrorist gunman omar mateen died in a hail of police gunfire. we are learning more about mateen, but are no closer to knowing what drove hem to kill. he praised a jumble of terrorist groups, al qaeda, hezbollah and the islamic state. all of whom hate each other. mateen had been under fbi surveillance for nearly a year. after making terrorist comments at work. but the investigation turned up nothing. he got his weapons legally and there is no evidence he was part of a larger plot.

what is clear is the hatred mateen daerd into the pulse nightclub in orlando saturday night. josh elliott reports. >> reporter: the massacre was carried out with a handgun and ar-15 semiautomatic rifle. >> this is probably the most difficult day in the history of orlando. the gunman, 29-year-old omar mateen parked his rental car next to the club, walked inside around 2:00 a.m. and opened fire. this video shows the the gunman this video appears to show the gunman firing 24 rounds in just 9 seconds. second. i saw blood everywhere. blood all over me. i don't know if it was my blood. at 2:02 a.m. three police officers one working security that night. engage in a gun battle outside the club. the shooter slipped back inside. >> i have ballistic vests here for any individuals that are entering the red zone.

>> reporter: at 2:09 a.m., the nightclub posted this message on facebook. everyone get out of pulse and keep running. many of the roughly 300 people inside escaped. dozens remained trapped. >> texted him. called him. he hasn't. he is not answering the phone. >> reporter: eddie hid in a women's bathroom with several others. he is texting his mother. he is coming. he said he has us, he is going to kill us. that is it. eddie was confirmed dead this morning. around 5:00 a.m., a police swat team punched several holes through a wall in the back of the club and stormed the building. in the ensuing fire fight one officer was hit. but his kevlar helmet likely saved his life. >> swat team did a great job. there were 30 people saved during that resue.

>> mateen who called 911 during the three-hour siege and pledged allegiance to isis was dead. >> as for the firearms he used the rifle in question, ar-15, the same kind used by the shooters in newtown connecticut, aurora, colorado, and san bernardino, california. in addition to those killed more than 50 people were shot and wounded in the massacre. most were taken to orlando regional medical center. mark strassmann is there. >> reporter: as horrific as the massacre was, many wounded got lucky in one respect. this hospital. level one trauma center sits a half mile from the nightclub. the wounded got every fighting chance to survive. the slaughter at the pulse overwhelmed first responders. victims outnumbered ambulances. some wounded were rushed to emergency rooms, in police cruisers or any available vehicle. they were putting people in the back of trucks. those tagged yellow in the back of trucks. >> 9 of 44 shooting patients admitted to orlando regional died saturday.

in all, three area hospitals were in crisis mode. >> we activated. mass casualty incident plan. immediately brought in six trauma surgeons to respond. we had spent the morning operating on a number of victims. >> reporter: frantic family members got frustrated when they first tried to get information from the hospitals. patient confidentiality laws, hipa slowed and even blocked hospitals from re -- information to people desperate to learn whether they were okay. >> i reached out to the white house to see if we could get the hipa regulations waived. and the white house responded through appropriate channels to waive those to communicate with the families there. >> hours after the shooting. hundreds of donors showed up at local blood banks. lines stretched around the building. people handed out cold water in florida's summer heat. >> everyone asked what they can

do to help. this is one of the biggest ways they need a lot of blood. my way of contributing. by early sunday afternoon, the blood bank's supply was at full capacity. but the need for blood will remain high. people here have been urged to continue to donate all week. at orlando regional. 26 patients went into the operating room. some will need more surgeries. >> we are encouraging people to make appointments come see us tomorrow and the next day. we will continue to replenish the blood supply. >> some donors ran into confusion and frustration. federal law prohibits sexually active gay men from giving blood. a false report the rule was lifted. not true. many showed up hoping to help an were turned away. in any tragedy there are also stories of survival. and heroism. scott pelley spoke with two men who made it out alive with stories to tell. >> seemed like it wasn't ever going to stop.

>> sean royster with friends on the back patio of the pulse nightclub when the shooting began. what were you seeing and hearing in that moment? screaming. yelling. they were like dragging the body. people that were wounded. just to get them out of the way. sorry. sorry. yeah, part of the worst feeling i ever felt in my entire life. so. so, i don't know. just shouldn't be that type of hate in the world. >> reporter: in the face of that hate, came acts of heroism. >> i was about to run to the safe zone. >> josh and ashley fled the club and lost track of one another. mcgill found shelter behind a car. >> i hear someone kind of mumbling, help, help.

>> reporter: a few feet away 27-year-old rodney sumter jr. lay wounded and bleeding shot in each arm and once in the back. >> i only saw the one bullet at first. and i was like, you, we need to stop the bleeding. he was like okay. took my shirt off. i tied it around. tight as i could. and then, saw his other arm had been shot. so -- i took his shirt off. tied it up around that one. the two hobbled their way to police at the scene. the police officer turned and said, okay, this is what the deal is. you are going to lay down in the back of the cop car. he is going to lay on top of you. want you to bear hug him. and keep all the pressure on him as you can. so i did. and they were like also, keep him conscious. >> mcgill held sumter to the hospital. >> don't know if you are religious. feel like i need to say a brar. i got you, man. >> rodney sumter made it off to the hospital.

fbi director james comey says the orlando gunman, omar mateen had been under fbi surveillance for ten months after making terrorist comments at work. agents watched him, introduced him to informants and monitored his communication. in the end, there was no smoking gun. and the case was dropped. here's director comey. >> we are going through the killer of a life, especially his electronics to understand as much as we can about his path and whether there was any one involved in directing him or assisting him. so far, we see no indication that this was a plot directed from outside of the united states. and we see no indication that thee was part of any kind of network. it is not clear at this point, just what terrorist group he aspired to support.

although he made clear his affinity at the time of the attack, for isil and generally leading up to the attack for radical islamic groups. he made 911 calls from the club, during the attack, 2:30 in the morning. sunday morning. there were three calls. he called and he hung up. he called again and spoke briefly with the dispatcher. and then he hung up. and the dispatcher called him back again and spoke briefly. three total calls. during the calls he said he was doing this for the leader of isil who he named. and pledged loyalty to. but he also appeared to claim -- solidarity with the perpetrators of the boston marathon bombing, and a man who died as a suicide bomber, for al-nusra, in conflict with the isil state. the bomber at boston marathon and suicide bomber from florida were not inspired by isil which adds a little to the confusion

about motives. of course we are working to understand what role anti-gay, bigotry may have played in motivating this attack. an attack that occurred during the month that we recognize and celebrate our lgbt brothers and sisters. again, it is early. we are working hard to understand the killer and his motives and sources of inspiration. but we are highly confident this killer was radicalized. at least in some part through the internet. that's what we have been doing. let me tell you what i can about the fbi prior contact with the killer. we first became aware of him in may, 2013. working as a security guard at a local courthouse. he made some statements that were inflammatory and

contradictory that concerned his co-work ears but terrorism. fir least claimed family connections to al qaeda. he said he was a member of hezbollah, a shiaa terrorist organization, bitter enemy of the so-called islamic state, isil. he said he hoped law enforcement would raid his apartment and assault his wife and child so he could martyr himself. when this was reported to us, the fbi miami office opened a preliminary investigation. over ten months we attempted to determine whether he was a possible terrorist. something we doen hundreds and hundreds of case as cross the country. our investigation involved confidential sources to him. recording conversations with him, following him, reviewing transactional records from his communications, and searching all government holdings for any possible connections. any possible derogatory information. we then interviewed him twice. he admitted making the statements his co-workers

reported but explained he did it in anger. because he thought his co-workers were discriminating against him and teasing him because he was muslim. after ten months of investigation we closed the preliminary investigation. two months later in july of 2014, the killer's name resurfaced. in an indirect way. the miami office investigating the florida man who had flown himself up for the nusra front in syria. nusra being a group in conflict with isil. we learned from the investigation that the killer knew him casually from attending same mosque in the area of florida. our investigation turned up no ties of consequence between the two of them. in the course of the

investigation one witness told us when asked do you know anybody else radicalizing. he had been concerned about the killer, because the killer mentioned al-laki videos. but the witness concluded that he later got married. had a child. got a job as a security guard. he was no longer concerned about him. our investigation turned and interviewed the killer to find out if we had significant contacts with the suicide bomber for al nusra. determined he did not. the inquiry continued focusing on the suicide bomber with no further focus on the orlando killer. we will continue to look forward and backward. we will leave no stone unturned. we will work, all day and all night to understand the path to that terrible night. we're aso going to look hard at our own work to see whether there is something we should have done differently. so far the honest answer is, i don't think so. i don't see anything in reviewing our work. that our agents should have done

differently. but we will look at it in an open, honest way. and be transparent about it. our work is very challenging. we are looking for needles in a nationwide hay stack. and called upon to figure out which pieces of hay may become needles. the "cbs overnight news" will be right back. sir, this alien life form at an alarming rate. growing fast, you say? we can't contain it any long...

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president obama said the orlando shooter oh mar mateen was inspired by extremist groups overseas, but said there is no evidence mateen was directed by them. and that he was not part of a larger plot to target the united states. the president also noted how easily the killer managed to legally obtain his weapons. as far as we can tell right now, this is certainly, an example of the kind of home grown extremism that all of us have been so concerned about for a very long time. it also appears that -- he was able to obtain these weapons legally. he did not have a criminal record that would prohibit him from purchasing the weapons. it appears one of the weapons he was able to carry out of the store. an assault rifle.

a handgun. of a glock, which had -- a lot of clips in it. he was apparently required to wait for three days under florida law. but of it does indicate the degree to which it was not difficult for him to obtain these kinds of weapons. we are also going to have to make sure that we think about -- the risks we are willing to take by being so lax in how -- the -- we make very powerful firearms available. to people in this country. this is something i have talked about for a very long time. you know, my concern is that we start getting into a debate as has happened in the past. an either/or debate. the suggestion is either -- we think of something as terrorism, or we ignore, the problems with, with easy access to firearms. or, it is all about firearms and we ignore -- the role, very real role, isil have in generating extremist

views inside this country. not an either/or. it is a beth/and. we have to go after the terrorist organizations and hit them hard. we have to counter extremism. but we also have to make sure it is not easy for somebody who decide they want to harm people in this country to be able to obtain weapons to get at them. the point is if we have self radicalized individuals in this country. then, they are going to be very difficult often times. to find ahead of time. and, how easy it is for them to obtain weapons -- is -- in some cases going to make a difference as to whether they're able to carry out attacks like this or

not. we make it very easy for individuals who are troubled, or disturbed or want to engage in violent acts. to get very powerful weapons very quickly. that's a problem. a problem regardless of their motivations. it is a problem for -- for -- a young man who can walk into a church in south carolina and murder nine people who offered to pray with him. it's a problem, you know, when -- when an angry young man on a college cam pulse decides to shoot people because he feels disrespected. it is certainly a problem when we have organizations like isil or al qaeda who are actively

trying to promote violence. they're doing so effectively over the internet. out of 300 million people, there will be individuals who find for whatever reason, that kind of horrible propaganda enticing. and if, if that happens, then that person can get a weapon. that's a problem. >> and now, some of the sights and sound of the orlando massacre. >> i don't know where my son is. no one can tell me where my son is. if he has been shot. if he is dead. no one knows. >> the first shots tore through pulse at around 2:00 a.m. three agonizing hours later.

dozens of club-goers were dead. >> tell me how it is for you the morning after? >> i can still hear everybody yelling. the gunshots. rapidly firing over and over. it would be different if it was one or two. it was just over and over and over. >> we still don't know, dozens of names of those shot or killed. as each name is release the the pain runs deep. >> we have to appreciate law enforcement. we talk about the hate of that fills the heart, perpetrate these things. and we want to talk about the courage. ordinary people in the worst of circumstances. >> i don't know if you are religious. i feel like i need to say a prayer. you will be fine. i've got you, man. >> we will draw inspiration from heroic, selfless acts. >> holding his hand. telling him he would be okay. >> friend took care of each other and saved lives. >> i'm happy that i got away. unharmed and stuff. at the same time i feel bad. there were so many people. so, it was really packed. so many people. >> i urge you, orlando to be strong. and we will be with you every step of the way. >> face hate and violence, we will love one another.

the tony awards in new york city got under way hours after the smoke cleared from the orlando massacre. security was tight with streets closed around the beacon theater. tony award producers made quick changes to properly recognize the tragedy in orlando and highlight the diversity the theater community has long celebrated. on behalf of the whole theater community and every person in this room our hearts go out to all of those affected by this atrocity. >> but the award show was not

somber. >> it remained a celebration. >> the event go ahead on a night like this. of course it should. not new go ahead is to give in. as expected. hamilton was the night's biggest winner. and l and -- >> the show is proof that history remembers we live through times when hate and fear seem stronger. we rise and fall and light from dying embers, remembrances that hope and love last longer. and love is love is love is love is love is love is love is love. >> signs of solidarity throughout the show. silver ribbons could be seen on those in attendance. while muskets were noticeably absent from a hamilton performance. >> the tony goes to -- "hamilton." >> the show won 11 of 13

categories it was nominated. including best musical. for "hamilton" producers, a long anticipated victory on a day of un loss. >> i feel joy and pain in my heart that, that our country continues to suffer from tragedy. at the same time we fry to celebrate art, siflt se-- citizenship, democracy and our greatest values.

it's tuesday, june 14th, 2016. this is the "cbs morning news." new details this morning in the orlando terror attack. ♪ i see your true colors shining through ♪ >> we snow the naknow the names faces of all 49 people killed in the pulse nightclub. while family and friends mourning the loss, we're hearing incredible stories of heroism. >> there was one choice. either we all stay there and