Is ramping up his language saying the act was an act of terror. We have it all covered and we begin inin redland, california. Reporter in this Bedroom Community outside los angeles, neighbors tell nbc newsws sighyed farook and tashfeen malick appeared normal. Today the group isis praised the attack, calling the couple martyrs, but theres no evidence that the attack was directed by a militant group. Malik was bornn in pakistan. She spent time in the Punjab Province in her early years and later went to university there which was a hotbed for recruiting. Was involvedd with radical islamic groups. Some say u. S. Officials are right to ask if sheadicalized her husband. I think Tashfeen Malik selected a clean candidate to be her cohort in terrorism. In duos, we have a primary actor who manipulates a more vulnerable subservient person. Reporter malik married farook after meeting in saudi arabia. He was born in chicago. A College Graduate with a goooo paying job as a restaurant inspector in San Bernardino. Friends say there was no way he was the master mind. This is something political because this brother, he couldnt have done that. Reporter the shooters home where they raised a 6monthold daughter was a bomb making factory. Killed by police in the shootout, their the hands of er doctors. This is something ill never forget. Ill never be able to fully conceive how those patients families were affected. Reporter the 14 dead are mothers fathermothers, fathers, sons, and daughters. Johnson shielded her saying three words, i got you. Tonight, her life a tribute to his in a massacre where there are still so many questions. They knew very little about the couple. Thank you for that report. Resident obama met with his National Security team todod for a briefing on the shooting investigation. Officials say theres no solid evidence tying this attack to any specific terror group. Our justice correspondent pete wiwiiams is following kristin, good evening. The white house says the president was told today they found no indication that the couple w w part of an organized group or terror cell. James comey says several factors suggest they were radicalize among them their extensive they built their bombs, and the pledge of support for isis that malik posted before the shooting. No sign att thihi point that the couple was in direct contact with anyone from any terror group. Investigators hope theyll discover the couples motives on the computers and cell phones they left behind, but the couple damaged those devices before the shooting. While the lab at washington is working overtime to recover that data, that work is slow going. Pete williams from our washington newsroom. Thank you, pete. We are learning more tonight about the massacre and where they came from. It turns out two of those guns, the assault rifles, were purchased by a friend of syed farook. Reporter the attack on the Holiday Party didnt take long. Roughly 75 rounds in just a matter of minutes. Overnight, Law Enforcement searched a house belonging to a friend of syed farook o they believe originally purchased the two assault rifles during the rampage. One bought in 2011 and the other in 2012. Authorities say they do not consider him a suspect i i the mass shooting, but they want to know when the guns were transferred to the couple. Its an urban tactical weapon. Reporter the ar15s have been used in some of the deadliest shootings in history. 2012 in aurora, colorado, james holmes usus it to kill 12 people at a late night movie. Less than six months a rifle called the bushmaster to kill 20 children a a 6 adults at sandy hook elementary. Assault rifles like these are relatively light and easy to use. Could i potentially learn how to use this gun in an afternoon . You can potentially learn how to use this gun in two minutes. Reporter the couple tried to alter one rifle to make it fully automatic, but their attempts failed. Thth law in the state of california says a magazine can only hold ten rounds, but the shooters had magazines thatatould hold 30 and they had them taped together. When magazine finished, all they needed to do was flip it and use the next one. Federal investigators took securityideo and financial records from this gun range. The couple may not have needed much practice. Law enforcement offifials tell nbc news the man who originally bought the to tell them how or when they ended up in the couples hands. They say hes been too emotionally distraught to give them that level of detail. Just a fascinating look at assault rifles. We have a program note now. Chuck td will have much more on the San Bernardino shootings tomorrow on meet the press. As we told you earlier, president obama spoke out again today about this eks shootings and so did some of the president ial ndidates. The massacre is having a pronounced impact on the rhetoric of the campaign with new warnings by the candidate about the terror threat. Among those weighing inoday was donald trump. We were with him today in iowa. Reporter addressing the tragedy in San Bernardino today, president obama came as close as hes ever come t t using the words words radical islamic terr. The president know all the facts before laying the blame on Global Terror Networks was panned by the republican hopefuls, who accused him of backing away from an all out assault on isis. Radical islamic terrorists, its what it is. This is a war. Were in a war. Reporter his poll numbers rising, donald trump is leading the way, positioning himself as the toughest on terror. This [ bleep ] is not going to happen anymore. Reporter the billionaire arguing for racial profiling and bringing back waterboarding. Trump even taking it a step fururer to target the families of suspected terrorists. The heated rhetoric not exclusive to the frontrunner. Were seeing the evil of radical at home, murdering this is the world we now live in. United statat. He was a u. S. Citizen. Reporter Republican Voters say they are afraid and as of now the man most say they want protected them is youre not going to be scared anymore. Theyre going to be scared. Scared. Reporter Republican Voters say theyre going to vote for they do believe donald trump is the most qualified candidate when it comes to foreign despite his inexperience. All of this. For the first time york times ran an editorial today. It calls for greater regulation of guns in this country following the string of recent a bystander recorded the confrontation confrontation. Wewe want to warn you i know there are videde out there in the media. If you slow those videos down carefully, you will see that the weapon is raised at the moment in which the shot takeseslace. Reporter while the fbi is investigating the attempted bank robbery, the shooting in the city of miami investigated by separate police agents. Its a new policy here. At outgrowtwt of the 2011 shooting. Once the independent investigation is completed, it will sent to the miamidade state attorney, who will make the financial decision final decision. And there is a new chapter tonight in that Controversial Police shooting of a teenager in chicaca more than a yeaea ago. Youll recall the Police Released dash cam video of the shooting just last week. Then they released surveillance tape from a bger king with an 80minute gap. Now they have released seemingly contradictory Police Reports from the officers who watched the shooting. Reporter in hureds of pages of official and handwritten police statements a startling different picture of the shooting that took the life of 17yearold laquan mcdonald. In Police Reports released by thehe state has been charged with firstdegree murder, and five other officers seemed to directly contradict the dash cam video last week. When mcdonalds got to within 12 to 15 feet of the officers, he swung the knife toward thefficers in an aggressive manner. The officers are called the victims. The 17yearold the offender. While the video shows the teen lying on the ground shot 16 times, offifirs reported mcdonald continued moving on the ground, attempting to get up while still armed with the knife. The report also introduces a possible defense for van dyke, who has pleaded not guilty. A previously issued Chicago PoliceDepartment Bulletin warning of a weapon, which was a knife, but which actually was capablef firinina bullet. Today, there were new calls for protest and the ousted summit eded superintendentmc garry mccarthy. Reporter chicago pd says the Justice Department is now investigating the officers who made those statements in a tale of two stories that has left a city divided. And when nightly news continues on this saturday, Womens Health and what has emerged as a new risk factor for Breast Cancer. A most unusual ng thats life song thats life thats life. You diet. You exercise. And if you still need help lowering your blood sugar. This is jardiance. Along with diet and exercise, jardiance works around the clock to lower blood sugar in adults with type 2 diabetes. Works by helping yoyo body to get rid of some of the sugar it doesnt need through urination. This can help you lower blood sugar and a1c. And although its not for weight loss or lowering systolic blood pressure, jardiance could help with both. Jardiance can cause serious side effects including dehydration. This may cause you to feel dizzy, faint or lightheaded, or weak upon standing. 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But did you know that the lack of saliva well, there is biotene, specially formulated with moisturizers and lubricants. Biotene can provide soothing relief and it helps keep your mouth healthtoo. Biotene,e,or people who suffer from a dry mouth. Were back now with an Important Health storyhat came out just this week. A n w warning sign for Breast Cancer that doctors say should now be added to the list of risk factors for the disease. It involves a preliminary finding on some mmograms. Repororr a a trainer wasnt overly concerned when a mammogram several years back detected something suspicious. It turned out ta be whatsnown as a false positive. An additional screening found she was cancer free, but three years later there was nothing her yearly test revealed the mom had stage 2 breast cancnc. Whats it like when you get that diagnosis . Its very scary. I have a little boy. And i want to see him grow u u and get married. Reporter women receiving them had a higher chance of eventually developing Breast Cancer than those who didnt. The study followed a million women for over a decade. Women a previous falsepositive had a 39 greater risk of Breast Cancer later on than women who never had such a fifiing. Those who hadad a biopsy that turned out to be risk. The chances of a woman developing Breast Cancer overall are very small, even if she has a false positive. False positives should be considered a risk factor. I was diagnosed two years ago. Reporter after diagnosis, claudia was treated at m. D. Anderson cancer center. Shes healthy now. Im very, very lucky it wasast as bad and they discovered it strategy. Reporter false alarm mammograms, a potential clueeor earlrl detection in the fight against Breast Cancer. And when we come back, could this be the dormitory of the future . Why these college if you have moderate to severe rheumatoto arthritis like me. 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I have 100 surrogate grandparents here and theyre really dear friends of mine. Reporter it is home to both students and senior, novov arrangement combining retirees five years o. She eats as much as my family. I see more of her than i do some of my adult grandkids. Reporter what could they possibly have in common . Turns out a lot. We enjoy cooking, sharing a meal, talking about art, talking about music. Reporter the students get free housing in exchange for performing once a month. Residents say these young neigigors keep them young. When you see a young person coming toward you, you want to look alive. You want to look like youre still part of it. I see them wearing something or carrying something. What the hell is that . Reporter no worries about loud parties oh, no. No. We actually can have those two. Reporter there is, however,r,ne area of disagreement between the ages. Gets more out of it, the residents or you . I do. 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