Republican candidate to be next president , issued a policy statement calling on the United States to close its doors to all muslims entering the country. One of the San Bernardino killers was here on a visa. The white house was quick to call trumps idea contrary to americas values and security. Republican rival jeb bush said trump had simply become unhinged. Heres Major Garrett. Reporter in a statement donald trump called for the total and complete shut down of muslim immigration to america. He added, our country cannot be the victims of horrendous attacks by people that believe only in jihad. Trump said the ban should last until u. S. Officials figure out whats going on. Last night president obama urged the nation not to discriminate against american muslims. If were to succeed in defeating terrorists, we must enlist the Muslim Community as some of our strongest allies through suspicion and hate. That does not mean denying the fact that an extremist ideology has spread within some muslim communities. Theres a real problem that muslims must confront without excuse. Reporter trumps republican opponents uniformly condemned his proposal. Ben carson said everyone entering the country should register and be monitored but, i would not advocate being selective on ones religion. John kasich said trumps idea was more of the outrageous divisiveness that characterizes his every breath. Democratic president ial candidates issued withering criticism of trump. Hillary clinton called the comments reprehensible and prejudice and said this makes us less safe. Scott, Martin Omalley said trump is campaigning as a fascist demagog. Pelley Major Garrett for us tonight. Major, thank you. Well, muslimamericans are already feeling the divide in their communities here at home, into this. Reporter in the wake of the attacks in paris and San Bernardino, muslims around the u. S. Say the rhetoric against incendiary. A few weeks ago armed protesters picketed a nearby mosque in irving. In virginia tempers erupted at a meeting over building a morque. Every one of you are terrorists. I dont care what you say. Reporter last night in philadelphia, a severed pigs head was found outside a mosque, and voice messages like this one left on the answering machine of the council of the American Islamic relations. Youre not welcome here. I hope you get sprayed with pigs blood. Reporter not far away in fort worth, an americanborn gotten worse. I was in the car with my ninemonthold daughter and a woman was basically trying to flag me down from her vehicle, and she starts using derogatory language, and she spit from her vehicle to my vehicle. Reporter some area imams have even started advising local muslim women in covering their heads in a different way. I dont have a problem with anybody else doing it. I wouldnt do it. This is who i am. Reporter the group has received more reports about active islamic intimidation, threats and violence targeting american muslims in the past week and a half during any other limited period of time since the 9 11 terror attacks. Omar suleiman is a muslim scholar in texas. As an american and as a muslim and as a human being, we are forced to both grieve and worry at the same time. We had muslim victims in this recent shooting. You always have muslim victims, but even for the nonmuslim victims, as human beings we grieve. Reporter there is another armed protest saturday at a and, scott, theyre expecting a the heavy Police Presence there. Pelley Omar Villafranca in texas tonight. Omar, thank you. Well, a new photo of the San Bernardino killers surfaced today. Tashfeen malik there on the left, the pakistani woman, and her husband, syed farook, who was born in illinois, had their picture taken last july at chicagos ohare airport. We learned more today about their preparations for the attack last week and heres carter evans. Reporter two days before Syed Rizwan Farook and his wife Tashfeen Malik killed 14 people in San Bernardino, farook signed in here at the riverside magnum range for target practice with his ar15. Mike mcgee said farook approached him. Was there anything about him that stuck out . Not even close. Reporter he did ask you a question, though. His gun was smoking. What does that tell you about his experience with guns . Well, the experience with the rifle tells me it was a new rifle. He was not familiar. Picture, did you recognize him . I did recognize him as somebody who had been here in the past. Reporter firearms instructdor john gallette said least twice. Its devastating to people, to know that this is where he might have prepared for those last days. Reporter federal investigators say the assault rifles used in the attack were purchased by enrique maranatha, marquez. Neighbors say the pair were good friends. Agents raid the marquez home over the past two days. They cut through the door with a blow torch to search for evidence. Marquez checked into a Mental Health facility hours after the shooting. He has not been arrested and today is talking to investigators. So far federal agents have interviews, and theyre still trying to determine a motive. John bowdich is with the f. B. I. We have learned and believe that both subjects were radicalized now, how did that happen . At. Reporter investigators know farook met his wife in saudi arabia where she moved from pakistan. She was educated as a pharmacist. Chaz harrington was one of farooks coworkers. I asked him about his why. Wife. He didnt want to reveal much about his wife. Reporter he says farook talked about wanting to leave the country for good. Reporter he didnt want to be in the country because he said his taxes was helping support the war on islam, the war on muslims. Reporter farooks father, who is still in the San Bernardino area, told cbs news his son was deeply religious. Scott, the f. B. I. Served a search warrant on the gun range hours after the massacre, and were told they confiscated the surveillance video. Pelley carter evans for us tonight. Carter, thank you. Well, tonight six of the 21 people wounded last wednesday them are in critical condition. Today John Blackstone talked to survivors. Reporter when the shooting began in San Bernardino, Trudy Raymundo was standing near the door as one of the shooters burst through. He came walking in and started firing and started walking toward the middle of the room where all the staff are sitting just firing. Reporter Corwin Porter was hiding under the table as the husband and wife assassins kept firing. You could see him targeting individuals. I could see the muzzle facing down where individuals would be. It was incredibly surreal, and as it goes on, the desperation kicks in and i kept hoping it was an exercise, right, its an exercise, because this cant actually be happening. Reporter and it seemed to go on and on. It went on for what seemed like forever. It never would end. I kept thinking, why doesnt he stop . Why wont he stop . Descended to provide Urgent Medical care, dr. Michael neeki was with them. Hes an immigrant from iran. What is it like the see this happen . Terrible. Terrible. And then you feel that youre coming thousands and thousands of miles away from that to get away from that. Reporter today county officials held a News Conference to talk about how San Bernardino moves forward. Raymundo is the director of public health. I ask that you come together and hold each other strong, because it is the strength that will help us heal. And i want you to every day be grateful for those of us that were spared and those that are still with us today. Reporter 13 of the 14 killed worked for the countrys environMental Health service, which will remain closed this week. Other Government Departments heightened security. Pelley John Blackstone with the key interviews tonight. John, thank you. Well, maybe it was an attempt to appear proactive, but today there was an odd announcement from the Department Department of Homeland Security about its terror alert system. You may have forgotten that there is a terror alert system because its never been used in its current form. Today dhs announced that the system will change, but it didnt say how. Jeff pegues tried to cut through the muddle. Ill be announcing soon hopefully what our new system is that i think reflex the current environment and the current realities. Reporter secretary of Homeland Security jeh johnson said the Current System is flawed. The original colorcoded warnings, developed after 9 11, were criticized for sending out too many alerts. The Current System has never sent out an alert because it requires an imminent threat. The modification will lower the threshold for warning the it is an acknowledgment of the changing nature of the threat, something president obama highlighted last night. As weve become better at preventing complex, mull hifacetted attacks like 9 11, terrorists turn to lesscomply kateed acts of violence like the Mass Shootings all too common in our society. Reporter the San Bernardino shooters were not under surveillance before the massacre despite having contact online with some known extremists. Frank cillufo is the head of George Washington universitys Homeland Security program. He says Public Awareness may be more important to law surveillance. You know, at the end of the day its going to be a mixture of community engagement. See something, say something. See something, say something, but also families, friends, the people who normally know about these activities are going to be a peer group. So we need to find ways to be able to pierce that. Reporter scott, a recent americans are being radicalized by violent extremists at a rate that is straining law enforcements ability to stop suspects before its too late. Pelley jeff pegues in our washington newsroom. Jeff, thanks. In a related story, there was a rare victory today for supporters of tougher gun laws. The United StatesSupreme Court let stand a local law in illinois that bans semiautomatic weapons and largecapacity magazines. Jan crawford is following this. Reporter the justices gave no reason for why they turned down the challenge to the ban on assault weapons in an illinois town. But in dissengts, Justin Clarence thomas, joined by justice antonin scalia, said lowercourt rulings upholding the bands were relegating the settlement to a second class right. The Supreme Court in 2008 struck down a handgun ban in the district of columbia, ruling that the settlement protects a persons right the bear arms for but in the years since, lower federal courts have narrowly applied the landmark decision, allowing what they consider reasonable gun restrictions, bans on largecapacity semiautomatic firearms, like the commonly owned ar15. Seven states and d. C. Have laws banning possession of those weapons. The city of Highland Park passed its ban in 2013. Mayor Nancy Rotering was due in part to the shooting at sandy hook elementary school. Its well past time to take action to reduce the gun violence that threatens our communitys safety, our nations safety and inflicts fear and pain on countless families and communities. Reporter but gun rights supporters say the bans cover guns lawfully used by millions of americans for selfdefense and for sport. [gunfire] todays order is unlikely to encourage sweeping change. 39 states where such agains are from passing local restrictions. Now, there typically has to be a conflict in the lower court before the justices will step in, and so far, scott, all those lower courts are in agreement to uphold these bans. Pelley jan crawford of the Supreme Court. Jan, thank you. Theres new video of another Police Shooting in chicago, but this time no charges. And a former president teaches sunday school when the cbs evening news continues. Wait, did you just have that on your phone . Its time to mix it up. Do it, dad yeah, do it there are thousands of ways into the complex health care system. It was frozen. Daddys hand looks funny. And choosing unitedhealthcare can help make it simpler by letting you know when your claim has been processed. Yo, adrian. Still not funny. Unitedhealthcare working on my feet all day gave me pain here. In my knees. And get my number which matches my dr. 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Pelley the Justice Department is investigating Chicago Police use of force against minorities. This on the same day that prosecutors cleared a chicago cop who fatally shot a black man in the back. Heres Dean Reynolds. Male black running southbound on king, sweatshirt, black pants. Reporter in a show of transparency unusual for chicago, prosecutors released new dash cam video to show why against the officers involved in the fatal shooting. It showed a 25yearold suspect flees police after a struggle carrying what they said was handgun that. Videos release came days after tape of the more know or the yowtion shooting of 17yearold Laquan Mcdonald galvanized the city in protest and hours after the Justice Department announced its enquiry, something mayor rahm emanuel welcomes. Its in our selfinterest as a city for them to be here. We not only accept it, we need it. Reporter critics like andy shaw of the better government association, say reform is long overdue. Weve spend 500 million handling Excessive Force cases over the past decade. The Justice Department could have come here 25 years ago. Reporter John Escalante is the interim police superintendent. Is the culture of the Chicago Police department problematic . I dont think so. One thing were looking at right now is why are some officers slipping through the cracks. Reporter he need look no reports from officers on the scene the night mcdonald was killed. All of them supported the shooter, officer jason van dyke, and all were at odds with the video from their own cruisers. They all claim mcdonald was a homicidal threat that night, swinging his knife with a threeinch blade in an aggressive, exaggerated manner that put van dykes life in danger. Officer van van dyke is already the subject of a longrunning federal investigation, scott, which is also looking into allegations of a coverup by other officers on the scene that night. Pelley Dean Reynolds in chicago. Thanks, dean. 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