Terrorists r reporting they saw him transform right in front of him. Heres cecelia vega,. Reporter tonight, the investigation turning to this home, and enrique marquez, suspected of providing the guns used in the massacre. Did he provide the guns to farook . Reporter Authorities Say theres no infortion that marquez played any role in the shooting. He has reportedly checked himself into a Mental Health facility. They kept to themselves. All their children, theyre good reporter whats the biggest difference . H dress, beard, more withdrawn, started wearing his whitething, the long, draped out outfit, whatever it t is. Reporter but nobody said they noticed any warning signs of the t terror t come. Tonight, this new photo of farook and his family. His brother and sister are angry for not knowing they were living a double life. Do you feel like you didnt know your brother . I feel like he had a double life, very good at concealing his life from us. He shareddeology with the isis leader. And his brother and sisr saying theyre in complete shock. They went to his house, never saw anything suspspicious. And tonight say theyre grieving for all of the people that died right here behind me. Cecilia, thank you. And tonight, the fbi is on the hunt for any links the attackers may have had to jihadi recruiters or known terror groups. And this plot appears to be the kind of homeground tererror the agcy has long feared. Heres pierre thomas. Reporter tonight, hundreds of fbi agents here at home and across the globe are in a race against time to uncover exactly what and who was behind the massacre in san bernardino. Fbi officials are searching computers and cell phones associated with the killer couple in a desperate attempt to see if they were radicalized or directed by isis or other terrorists. The female killer allegedly of the assault. The most important part of this iestigation right now is, are they lone players, the two of them, or are they connected to other peoe . Reporter but if this couple was truly inspired by isis, it marks a dangerous evolution in the u. S. Terror threat. The fbi director has been warning for months about an unprecedented social Media Campaign by isis encouraging potentially thousands of followers in the u. S. To attack. Its as if there is a devil sitting on their shoulder saying, kill, kill, kill, kill reporter the social Media Marketing polished, not just violent, appealing to the young. Theres evidence the Marketing Campaign is working. In the last two years alone, the fbi has idtified or arrested nearly 90 suspected isis supporters from inside the united states. Average age, only 25. At least 20 teenagers. 13 females. And 15 of those arrested accused of trying to launch murderous the nation narrowly averted e first isisinspired massacre in may when two men armed with assault rifles tried to attack a texas cartoon conference about the prophet mohammed. And now this young suburban couple who left behind a 6monthold baby a went on a vicious killing spree. Law enforcement is struggling to cope wh the new isis social media threat. Tom . And president obama will speak to the n nation toght, coeing after he and his National Security team held a rare weekend i immediatemeeting on the Sander Bernardino attacks. And theresident wants to reassure people hes taking the hes going to give an update on the Sander Bernardino investigation. Anand he give a look at what the government is doing to target the threat of homegrown extremists like in californiaia. And he will talk about actions he will say needs to be done on visas, guns, and other issues. But if youre looking for a wholesale change in strategy, thatsot what thehe pdent will offer tonight. This is an intensification of whats already being done. And hell be speaking from the oval office. And theres a reason for the rare setting for the president. And its only the third time in his presidency hes given a right now, the usual place is fied with christmas decorations. Thank you. And the president s address begins at 8 00 p. M. Eastern, right here on abc. And terror is fueling the president ial debate. And Hillary Clinton parting ways with the white house, saying america is not winning the battttle. Trump saying some americans should be closely monitored. And cruz rising in the polls withth an aggressive position. Were not winning, but its too soon to say if were doing everything we need to do. Reporter trump and clinton in a statistical tie. And heress clinton on this week. Whats the problem w with the problem is, that sounds like were declareing war against a religion. You look at the names, whats happened, you tell me. Reporter trump is open to racial profiling. But clinton is not. Theyll use that as a tooool to say, were at war against the u. S. Repter when ted cruz suggested this well c carpet bomb them into oblivivion. Reporter clinton says he doesn know how that will happen. Trump saying he will agree to a ban on the nofly list. Trump said hes open to deploying american combat forces. Clinton said she would like to see more than 50 special forces on the ground. Thank you. And lets head overseas, an apparent lone wolf attacker stabbing two before being taken down by police. Jennifer eccleston reporting in from london tonight. Reporter cell phonone vivideo ptures a terrifying scene. Tase him, tase him, tase him, tase him. Reporter a man with a knife lungg at police at a london subway station after allegedly taser. Both survive but tonight Scotland Yard is calling the attack a terrorist incident. Might be a self starter, just self radicalized from material on the internet. Reporter media reports say the man shouted, this is for syria. One witness on the scene shouting this you aint no muslim, bro. Reporter the attack comes at time of high alert after a string of terror arrests and just days after parliament voted to launch air strikes against isis in syria. Opponents had feared that move could trigger lone wolf attacks across the homeland. Tonight, police are urging the people to remain calm but alert and vigilant. Calling the threat of terrorism here severe. Tom . Thank you. A shooting here at home raising questions in miami a suspected bank robber facing polilice with a straight rayzor. Heres marci gonzalez. Reporter tonight, investigators going frame frame through this cell phone video and others shot by bystanders in miami beach as an attempted robbery suspect armed with a straightedge razoror was shot and killed by police. I saw the guy fall down and everything. Reporter investigators havent said why o officer decided to use deadly force while another fired a stun gun. Inhis image you can see the filaments hitting the suspect just a moment before hes kill. A Police Officer on the street literally has a f fraction of a second to make ththe termination whether deadly force is warranted. Reporter police identifying the suspect as a man with a record of bank robbery. Officers confronted the man america yesterday morning and allegedly handed this note to a teller demanding money claiming to have a a bomb. Police say he then took off with no cash and ran into this nearby barber shop. Coming out grasping this barbers razor. Leading to the deadly confrontation. He did raise his hand with the straightedged razor in it and he was shot. Reporter investigators now going over these images, and video from at least one officers body cam. Looking into whether the shooting was justified. Marci gonzalez, abc news, new york. Next to the nations weather. The northwest, bracing for storms this week. Icy roads making travel difficult. Even closing i90 for part of the time. The region. Parts of oregon and washington wednesday night. And some gd news from former president jimmy carter tonight. Had cancer, now telling his church group hes cancerfree. He was treated with surgery, radiation, and a cuttingedge regime. Still ahead, the Great Holiday debate. Is it a holiday or christmas tree. Is christmas being disguised . And later, a scare in the air for morgan freeman. Causing his privateet to make those stories, coming up. Whatever youre doing, plan well and enjoy life. Or, as w we say at unitedhealthcare insurance company, go long. Consider an aarp Medicare SupplementInsurance Plan insured by unitedhealthcare insurance company. Go long. This is claira. To prove to you that aleve is the better choice for her shes agreed to give it up. Thats today . Well be with her all day to see how it goes. After the deliveries, i was ok. Now the ciabatta is done and the pain is starting aga. In mo pills . Seriously . Seriously. All these stops to take more pills can be a pain. Can i get my aleve back . 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Reporter new jerseys chcharlene srey resigning this week after the city Council Voted to change the name of the holiday Tree Lighting ceremony to a christmas Tree Lighting ceremony. Its not a holiday tree, its not a pear tree, its a christmas tree. Reporter that city councilwoman later reconsidered, deciding to stay on. But all across the country, christmas controversies are lighti up like trees. From the campaign trail if i become president , were all gonna be saying Merry Christmas again. That i can tell you. Reporter to campus. Some university of tennesseeknoxville students upset with a University Memo urging inclusion, saying, ensure your Holiday Party is disguise. Its my godgiven right to be able to have a a christm party. Reporter to coffee shops. Starbucks stirring ire by removing christmas symbols from their holiday cups. Yes, they got rid of the christian religious symbols like snowflakes and snowmen. Reporter still, some say theris something we can all agree on. 1the holidays are the holidays. We celebrate them, and its all good. When we come back, the final four of college football. Who made the list . And liftoff. Why this missi is so crucial to the crew on the International Space station. The index, up next. Its not every day something this big comes along. A chce to live longer with. Opdivo, nivolumab. Fda approved based on a Clinical Trial demonstrating longer life. For these patients. In fact, opdivo significantly increased the chance of living longer versus chemotherapy. Opdivo is different. It works with your immune system. Opdivo can cause your immune system to attack normal organs and tissues in your body and affect how they work. This may happen any time during or after treatment has ended, and may become serious and lead to death. 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Some extra pressure on this mission. Its the First Successful supply launch to the iss since a trio of failures over the past year. Now to a close call for Actor Morgan Freeman involving a crash landing. A tire blew on his private jet shortly after takeoff. Fuel then made an Emergency Landing in mississippi. Freeman thanked his pilot, saying, quote, we landed safely without a scratch. Plane. College football now. The playoff is set tonight. Committee selecting the top four number one clemson will take on the orange bowl. Number two alabama will face off number three Michigan State in the cotton bowl. Eve. Remember someone we lost in our abc family. Former White House Correspondent bob clark, best known for his live reporti on the kennedy and robert f. Kennedy, has passed away. Bob covered congress for many years and was a contributing host to the sunday program issues and answers. Bob clark died at the age of 93. Still ahead, a deep sea mystery solved. Why the location of this sunken treasure was kept a secret for years. Coins, jewels, where did it all come from . Grail of ship wrecks. Both erectile dysfunction and the urinary symptoms of bph, like needing to go frequently, day or night. Tell your doctor about all your medical conditions and medicines, and ask if your heart is healthy enough for sex. Do not take cialis if you take nitrates for chest pain, as it may cause an unsafe drop in blood pressure. Do not drink alcohol in excess. Side effects may include headache, upset stomach, delayed backache or muscle ache. To avoid longterm injury, get medical help right away for an erection lasting more than four hours. If you have any sudden decrease or loss in hearing or vision, or anyymptoms of an allergic reaction, stop taking cialis and get medical help right away. Ask your doctor about cialis and a 200 savings card. Song thats life song hats life song thats life song thats life song thats life thats life. You diet. You exercise. 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Taking jardiance with a sulfonylurea or insulin may cause low blood sugar. Tell your doctor about all the medicines you ta and if you have any medical conditions. Jardiance is free for one year for eligible patients. So talk to your doctor, and for details, finally tonight, the discovery of a ship that sank 300 years ago. Its being called the holy grail of ship wrecks. Heres neal karlinsky. Reporter in these first images from the ocean floor, you can clearly see vases, cannons, and what looks like coins. So much gold, colombias president making a claim as big as the discovery. It is one of the biggest findgs and identification of underwater heritage in the history of humanity, he says. The spanish galleon, the san jose, sank on june 8th, 1708, in cartagena, colombia. It was 150 feet long and armed with 64 guns. Estimates of the treasure on board, believed to include gold and coins like this one shown on the Facebook Page for sea search armada, and silver vary widely. From an astonishing 4 billion to as much as 17 billion. It is a job of many years with many people, says a member of the team. A huge triumph. Dive teams have kept the exact location of f the galln secret, for obvious reason. It was found in 1,000 feet of water during what was very much a hightech treasure hunt. Tonight, what is thought to be one of the worlds most valuable shipwrecks is a secret no more. We thank you for watching. Gma first thing in the right back here tomorrorow ght. Im tom llamas in new york. For those of you celebrating evening. Are iowas most Accurate Weather Team and we start with your forecast first. Bree wx wall skies are very slowly clearing from west to east across the state and will continue to do so overnight. Temperatures will settle into the 20s in western iowa where skies clear out first and 30s for eastern iowa where clouds will linger into the morning hours. Fog will begin to develop late night tonight into early tomorrow morning. Once the fog clears, sunshine coupled with a southerly breeze at 5 to 15 mph will take over and warm us back into the 50s in central and southern iowa with Northern Iowa getting into the 40s. The week ahead looks to be mainly dry with the thermometer sitting well above average in the 50s all week. Several days look to be windy, particularly thursday through the end of the week. The pattern looks to switch next weekend as temperatures return closer to the 30s we would expect for december, so get out and enjoy this short break from cold nikki also coming up on local five news at 5 30 hawkeye fans are getting ready for another exciting matchup. Expect at the upcoming rose