Of ammunition. Syed farook and his wife opened fire on farooks coworkers, county department of health employees, at a Holiday Office party. We received their names today. 14 were killed. One of them, daniel kaufman, ran a coffee shop in the building. Nicholas thalasinosle was remembered for his compassion, and Michael Wetzel leaves behind six children. 19 were wounded plus two Law Enforcement officers who were suspects. We have extensive coverage from a team of correspondents, and first well go to carter evans in San Bernardino. Reporter scott, the f. B. I. Has flown in a special team from washington to reenact and reconstruct the crime scene. Theyre also going to be analyzing digital evidence to try and get a better understanding of why this married couple opened fire on a [gunfire] oh, my gosh. Reporter the rampage ended on a residential street in hail of gunfire. [sirens blaring] when it was over, the two suspects were dead. Police say the couple left behind an arsenal of weapons, 6,700 bullets inside their home along with 12 pipe bombs and enough materials and tools to build several more, according to San Bernardino police chief Jarrod Burguan. Chief, do you believe they were planning another attack . We dont know. Clearly they were equipped and they could have continued to do another attack. We intercepted them before that happened. Reporter but police say syed farook and his wife Tashfeen Malik parked a rented black Ford Expedition at 11 00 a. M. In the parking lot behind the South Building of the Inland Regional Center. They walked through unlocked doors, directly into the room where the Holiday Party was under way. Investigators say the two were clothing armed with semiautomatic rifles. When they entered, fired somewhere between 65 and 75 rounds from their rifles at the scene. Reporter did they appear to be daughter getting anyone in particular . They sprayed the room with bullets. I dont know there was any one person they ultimately targeted. Reporter but sources tell cbs News Health Department managers were first ones shot. The couple left behind three pipe bombs tied together and connected to a Remote Control car. Police believe it malfunctioned. There was no explosion. Witnesses who worked with farook told police he attended the party but left early. Where that came from was another person that was in the building that knew him that identified him by name expressed some concern over his behavior prior to the event. Reporter police put his home under surveillance and gave chase when they spotted the black s. U. V. Cell phone video captured the gunfire that erupted. Holy [bleeped]. Reporter the couple fired at least 75 rounds at police, a fire with 380 rounds, killing farook and his wife. Inside the s. U. V. , officers found two ar15 semiautomatic rifles and two nine millimeter pistols along with 1,600 rounds. Now initially police thought a third suspect might still be on the loose, but, scott, today they are confident there is no remaining threat at this time. Pelley carter evans, thanks. So what was the motive . Our chief Legal Correspondent jan crawford is following that part of the investigation. Jan . Reporter well, scott, the f. B. I. Wont call this a terrorist attack yet, but it is leading the investigation because the case has some hallmarks of terrorism. Officials stress they still dont know the motive. Officials tell cbs news syed farook was not on any u. S. Watch list, but two Law Enforcement sources say they have found evidence farook had contact with a person in the u. S. And people overseas with suspected ties to terrorism. The extent of those contacts and whether farook may have been radicalized. Law enforcement sources tell cbs news what they do know so far farook, a u. S. Citizen, born in chicago to pakistani immigrants, graduated from california state San Bernardino in 2010. He went to work for the local Health Department and then turned to Online Dating sites in search of a wife. He found Tashfeen Malik. They met and became engaged in 2013 when farook made a trip to saudi arabia during the annual muslim pilgrimage known as the hajj. Farook returned to saudi arabia in july 2014 to bring her to the u. S. , and earlier this year, the couple had a baby. The Court Documents reveal other parts of farooks family life were turbulent. In november 2014, farooks father threatened suicide in front of farook and his brother. Last february farooks mother took out a restraining order was bipolar and abusive. All this is now being looked at by the f. B. I. , which seized computers, thumb divers and other Electronic Devices and shipped them to washington for analysis. Now farooks wife did pass counterterrorism screening as part of her visa application process, but until Law Enforcement determines the true motive in this attack, whether its terrorism or workplace violence, its not clear if warning signs were actually missed. Pelley jan, thank you. Farooks wife came into the United States on a visa specifically for fiancees. Norah odonnell, cohost of cbs this morning, spoke to the lead investigators in San Bernardino. Norah . Reporter scott, she was the most unlikely accomplice, a 27yearold mother with an infant at home, and now involved in one of the deadliest mass shootings. Authorities say Tashfeen Malik was clad entirely in black tactical gear. Her face was obscured by a ski mask. Farook, they fired 65 to 75 rounds in the Inland Regional Center before fleeing in a black [gunfire] once the car was surrounded, police chief Jarrod Burguan says she fired out of the back, taking aim at Law Enforcement. What do you know about her . Was . She was engaged in a gun battle with our police officers, and there were two shooters at rounds. She fired rounds. How many she fired versus him, i dont know. She fired at our officers, i know that for sure. Theres one guy down. Theres one guy in the back of the car. Reporter i cant get my head around the fact that a 27yearold mother of a sixmonthold is firing off as many rounds like she is. I think the entire event doesnt make a whole lot of sense to be honest with you, and its kind of hard to wrap your head around why anybody would do anything like this regardless of who they are. Little about Tashfeen Malik. She was not an american citizen but was here on a k1 visa according to f. B. I. Special agent david bowdich. She was here on a pakistani passport. Reporter shes here on pakistani passport . Yes. Reporter isnt it highly unusual to have a mother of a sixyearold engaged in a shootout . I would think its unusual. Reporter scott, police say she had no criminal record and was not on any terrorist watch list. Pelley Norah Odonnell, thanks. Now, with some insight into all of this, we turn to michael morrell, former number two at the c. I. A. And our Senior Security contributor. Michael, we now know that syed farook went to saudi arabia twice, went to pakistan once, was in communications with people that the f. B. I. Was watching for being islamic extremists. Right. Pelley what does that add up to . What it adds up to to me is this was a guy who was probably radicalized by either isis or al of weapons and explosives that he had, that he was planning something significant. Pelley something bigger than what we actually saw . Perhaps. Perhaps. He obviously didnt take all of what he had. So either it was going to be a series of events or he was planning something bigger and this took its place because of the office anger that he had. Pelley a dozen pipe bombs left behind in his home. Exactly. Pelley does it matter anymore whether these things are inspired by extremists or directed by extremists. Scott, i think its matters a lot. When its just inspired youre usually talking about one or two people and the number of casualties is limited. Its a relatively small number. When its directed, you have the potential for much more. When its directive you have the potential for multiple operatives, simultaneous attacks, killing much, much larger number of people, like paris. Pelley just like paris. Michael morrell, former number two at the c. I. A. Was farook rad radicalizeed . Our David Begnaud spoke with a coworker who narrowly missed the shooting. Reporter a San BernardinoHealth WorkerChristian Nwadike says he and four other men were in the restroom when first shots were fired. When the blast came in, i lost every feeling. I kept thinking, this may be life or death. Reporter you thought you might die . Yes. Reporter how long did you lie on the floor . I would put my time to ten minutes. Reporter what could you hear as you were lying on the floor . There were cries. There were shots. Reporter nwadike, who is originally from nigeria, sat in a cubicle next to syed farook for five years. When he came back from saudi arabia, he started doing this. That was the change. Reporter do you believe he was radicalized . Yes. Reporter was he ever violent . Reporter was he ever rude . No. Never. Reporter was he talkative . He never talked. Reporter do you feel like you missed something about his personality . I cant believe it. Theres no way i can look at him and see him attached to this. I cant believe it happened. And it was him. Reporter mr. Nwadike says his coworker turned mass shooter who lived just down the street behind me in an apartment was excited about the birth of his baby girl. Scott, some of the coworkers who had to dodge the shooters bullets actually helped to raise money for the shooter and his wife six months ago to congratulate them on the birth of their baby girl. Pelley David Begnaud reporting. David, thank you. Muslims were quick to denounce the massacre. We spoke today with hoosam of the consul of americanislamic relations. As soon as we learned the suspect might be of muslim background, we started witnesses antimuslim sentiment. We felt it was important for our fellow americans to know where we stand. We stand together in condemning unequivocally such behavior. Pelley ten victims remain in two hospitals. Two of them are in critical condition. John blackstone spoke with some of the families. Reporter Jennifer Stevens is just 22, a former College Volleyball player who graduated this summer and took a job with the San Bernardino county Health Department. The whole thing is devastating. Reporter lisa stevens is jennifers mother who got the kind of phone call every mother dreads. Ive been shot. Later she texted me shes okay. Reporter jennifer was shot in the side. When her mother came to visit be hard for her to live with. It was surreal and horrible and crazy. Reporter also among the wounded, julie swannpaez. She was shot at least twice after arriving at the Holiday Party to be honored as employee of the year. Nicholas thalasinos is one of the 14 who did not survive. Tonight he leaves behind a widow, jennifer, an elementary schoolteacher. He was so kind to everybody. He was very chivalrous. Change for you now . Just my whole life has been basically turned upside down. He just had an enormous heart. Reporter now Nicholas Thalasinos occasionally posted views on social media that were critical of islam, but tonight, scott, his wife tells us she has no idea that syed farook ever saw those postings. Pelley John Blackstone reporting for us tonight. John, thank you. 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Reporter you think they were trying to flee and then were shot when they were trying the flee . Correct. The female i assume, given her positioning and the way she was with her back to the billing, she was fleeing. Reporter i think the most disturbing thing is to see them bringing some of the bodies out. How were they doing that . They were grabbing as much as they could, arm, feet, they had them in chairs, just trying to get them out of harms way and seeing if they were critical and or deceased and just trying the clear out as much as they could. Reporter when did you realize how grave this situation was . Probably about the sixth body coming out, just seeing the effect of it all. At first i saw the two bodies, okay, two body, not saying its not bad, but its two bodies, may not be that bad. By the 12th body i stopped reporter you saw 12 bodies . At least. Reporter when you hear this is now the worst mass shooting since sandy hook, what do you think . Its intense. You dont realize what it is until you get out of the situation. Reporter what lessons will you take from this . So many. Dont take anything for grant. I mean, i have a two and a halfyearold daughter. Sorry. I thought about her. Reporter you thought about your daughter. Yeah. Reporter hilliard and other survivors were taken to a church after they were removed from the building where they were able to reunite with colleagues and loved ones. And, scott, hilliard says he cant wait to spend more time with his daughter. Pelley Norah Odonnell, thanks. Theres other Important News tonight, including an historic change for the u. S. Military. Next. Y on your Medicare Part d prescriptions. At walgreens, we call that carpe med diem. Thats almost latin for seize the day to get more out of life from onedollar copays on select plans. To now reward points on all prescriptions, walgreens has you covered. So drop by and seize the savings walgreens. At the corner of happy and healthy. 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