Good evening. As we come on the air, 10,000 Law Enforcement officers are trying to find a killer in los angeles, california. A sweeping manhunt, triggered by this man. A former policeman, accused of a shooting spree, targeting fellow cops and their families. And these images say it all. Police officers on the hunt for someone who knows their coldcod their moves. On highways, a request that commuters study license plates and call 911. And tonight, a city is on the edge. Abcs david wright is there. David . Reporter good evening, diane. Tonight, Police Officers across this whole region feel they are under attack. Police headquarters here on lockdown. Every entrance, every exit, heavily guarded. The entire police force in americas second largest city, essentially held hostage to one man who is allegedly bent on revenge. Tonight, by air, land and sea, an allout manhunt. The suspect, one of their own. 33yearold Christopher Dorner. A former lapd officer, now an alleged cop killer. Police say he isnt just targeting cops, but their families, too. This has gone far enough. You know, nobody else needs to die. Reporter the killing spree started sunday in Orange County, with the baffling double murder of a Popular College basketball coach and her fiance. Monica quan and keith laurence, shot in cold blood as they sat in their car. Only last night did authorities put two and two together. Quan is the daughter of retired lapd captain randy quan, who was instrumental in getting Christopher Dorner fired. In a rambling manifesto posted online, dorner blames quan and other lapd officers of a smear campaign, after dorner reported witnessing a fellow officer commit police brutality. The manifesto vows vengeance. I will bring unconventional and asymmetrical warfare to those in lapd uniform whether on or off duty. Early this morning, it appeared that was no idle threat. 1 25 a. M. , an hour east of l. A. Police officers acting on a tip exchanged gunfire with a man believed to be dorner. An officer, grazed by the bullet. Unable to pursue. 1 45, riverside. Two more officers on a protective detail ambushed. One killed, the other seriously injured. By sunrise, jittery police had opened fire on this blue truck in torrance. A nissan titan, just like the suspects. But the people inside were innocent bystanders. Police are now closing ranks, protecting themselves. Today, motorcycle cops were put in patrol cars. More than 40 protective details deployed to guard people named in the manifesto. Police families are taking no chances. Keeping kids home from school. The Los Angeles Police department and Law Enforcement agencies are implementing all measures possible to ensure the safety of our lapd personnel, their families and the los angeles community. Reporter meanwhile, theres a regionwide manhunt. Late today, Police Spotted this truck, burning in the mountains northeast of l. A. It has now been confirmed that that was, indeed, the suspects vehicle. But it has also been confirmed that the suspect was not idea. He appears to have fled, and, so, diane, the manhunt continues. All right, david, thank you. So, what else do we know about this man and whats behind that manifesto . Abcs nick watt with that. Reporter 33yearold Christopher Dorner lives here in Orange County with his mother, a forensic psychologist who read his manifesto, has a startling conclusion. Dorner was never planning to return home. I think he wants to kill as many people as he can. Reporter and be killed . And then be killed. Reporter four years ago, he says, when he was fired by the lapd, he claimed a colleague kicked a detainee. The department disagreed. Former chief bratten, who wouns bet bratten, doesnt remember the case. Believe me, the department goes through exhaustive efforts and there are multiple series of review before an officer is discharged. Reporter no one gropes up and wants to be a cop killer, quote dorner. It was against everything ive ever was. In his sometimes rambling 6,000word statement, dorner says he wants to clear his name and expose corruption. He is narcissistic. He is grandiose. Reporter that is a personality disorder. But based on this manifesto, dr. Askins does not believe dorner is insane. He knows what hes doing. Reporter but why now . Dorner was honorably discharged from the u. S. Navy reserves just last friday after ten years service, including a tour in the persian gulf. Was that the trigger for this killing spree . Or evidence of careful planning . I have more questions than i do have answers at this point. Reporter if corner gets his apparent wish, if he is killed, we might never know the whole truth. Nick watt, abc news, los angeles. And nick and david will be staying on this story throughout the night. But we move next here to the great blizzard gathering strength and poised to bear down on millions of American Families across the northeast. Experts say it could be the worst snowstorm in a century. Our extreme weather team is on the storm front and abcs ginger zee is out where the storm is about to move in. Ginger . Reporter diane, this may look like a mountain of snow, but its not. This is 100,000 tons of salt that im standing on. Ive got some right here in my hand. It is one of so many tools that millions of americans will use as we prepare for this major winter storm. From new york to boston, the Winter Weather arsenals are prepped and ready for blizzard war. And those in charge of the snowy battle are keeping their commands simple. Stay off the streets of our city. Basically, stay home. Reporter in a chaotic salem, massachusetts supermarket the Fire Department was called in, because there were just too many people stocking up. All the provisions, the junk food, the real food. The water. Reporter heres how it all goes down. A storm slamming the great lakes now will join forces with another one from the south, combined, it forms a monster noreaster that will sit and spin just off the coast. And then the wind. Gusts from 50 to 60 miles an hour from philadelphia to boston. We have more than 250,000 tons of salt on hand. Our sanitation workers will work split 12hour shifts, starting at 7 00 p. M. Reporter theyll need it. New york has 6,300 miles of streec streets to throw. Thats like going from new york city to los angeles and back. Wind and tons of snow is the last thing they need in new york city, where folks in Staten Island are still using tents after superstorm sandy. Hopefully we can supply them with enough food, hot food, you know, to get them through, you know, before the storm starts. Reporter this storm comes 35 years after the historic blizzard of 1978. Two feet of snow and 70pl 70plusmileanhour winds paralyzed the northeast. What youre looking at are 50foot tall cliffs of salt. Its really impressive out here. And they expect another 60,000 tons to be delivered tomorrow morning, before the storm. What i expect is to be using these tomorrow at this time, because theyre ski goggles, ill need them, with all the wind and snow. A blizzard that fierce. Thank you, ginger. And now, sam champion is here, so, sam, what about the conditions, if youre going to need goggles for this blizzard . Reporter absolutely. It is blizzard. The worst word we can pull out. Brutal, blinding snow. We have warnings out for seven states here. Basically stretches from new york all the way through boston and into portland. If you look at all the states, 43 Million People in the path of that storm. And with this, were talking about, well, to get a blizzard, you have to 35mileanhour winds and that blowing snow for at least three hours. Were going to have winds much worse than that. Worse than 35 Miles Per Hour . Reporter yeah. There are Hurricane ForceWind Warnings just offshore from long island off the coast of cape cod. So, were going have 50, 60, 70mileanhour winds in this storm. Its going to be just terrible conditions. Want to guess about the snow totals at this point . A lot of it is a big guess. This is the kind of snow that will shot down cities. A lot of people involved in this. Right now, 10 to 14 inch snowfall amaunt, looking for maybe a foot around new york city. Boston see some of the worst conditions with 18 to 24 inches of snow. In massachusetts, vermont and into maine, an inland area, d diane, that comes in with the wind and more than two feet of snow by the time were done with won world news on saturday night. Going to be a big day for you tomorrow, for all of us. Thank you, sam. And today in washington, the man at the very center of americas secret war on terrorism appeared in front of the cameras. Defending the use of drones and their controversial target. John brennan answered his critics today and abcs chief White House CorrespondentJonathan Karl was there. Im honored to appear before you today reporter even before he could introduce himself, the president s choice to run the cia was repeatedly interrupted by antiwar protesters. Please remove. Reporter it was a rare public appearance for a man who works in a windowless Basement Office of the white house. An architect of the president s war on terror, especially the rapid expansion of the drone strikes. Its largely been a secret war, but brennan promised to at least Tell Congress every time the cia targets and kills suspected terrorists. If i were to go to cia and the cia was involve in any type of lethal activity, i would damn well make sure this committee had that information. Absolutely. Reporter brennan refused to confirm that the u. S. Was being hind the 2011 strike that killed an american citizen al qaeda leader anwar al awlaki, born in new mexico. But he forcefully defended making him a target. He was intimately involved in activities that were designed to kill innocent men, women and children and mostly americans. He was determined to do that. Reporter critics say the administration has relied so heavily on targeted killings that they dont even try to capture terrorists anymore. Brennan said thats not true. Theres not been an occasion that im aware of where we had the opportunity to capture a terrorist and we didnt. Reporter the drone strikes have come under intense criticism for killing innocent bystanders, something the u. S. Has never specifically acknowledg acknowledged. I believe we need to acknowledge it. We need to acknowledge it publicly. Reporter brennan isnt done yet. He still faces a closed door classified hearing next week on the cias most secret programs. Jonathan karl, abc news, the white house. And theres a big move under way tonight, two u. S. Airline goliaths, a report today of a megamerger between American Airlines and us air. One source close to the negotiations say the airlines are close to a deal, but there are details to be worked out. No announcement is likely until next week. And if approved, the merger would create the Largest Airline in the world. And still ahead here on world news, with air fares already on the rise, our Real Money Team to the rescue of one family, planning a spring vacation. What time of day you book could save you real money, did you know that . Next. [ male announcer] surprise youre having triplets. [ babies crying ] surprise your house was built on an ancient burial ground. [ ghosts moaning ] surprise your car needs a new transmission. [ coyote howls ] how about no more surprises . Now you can get all the online Trading Tools you need without any surprise fees. Its not rocket science. Its just common sense. From td ameritrade. Did you know not all fiber is the same . 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We just told you about the possibility of a big merger in the airline industry. And already, American Families are trying to plan spring vacations. So, we wondered, if there are any new ways to make sure youre getting the cheapest possible tickets for travel. Turns out, there are. And Abcs Paula Faris shows us how to save real money. Reporter Airline Mergers can mean good news for consumers. Youll probably be flying on a newer aircraft. The bad news . With less competition, air fares can climb. Just over the last three years, air fare has risen as much as 20 . Reporter rising fares are very much on the mid of the Rodriguez Family today. Madeline and her three sons and daughter, hoping to fly from honolulu to ontario, california for a Family Reunion and looking at nearly 1,000 a ticket. Its just too much. Paula i need your help reporter so, we asked abcnews. Coms travel expert genevieve shawbrown for help. First tip, the Rodriguez Family is better off buying two tickets and then the remaining three tickets separately. Finding all five seats together can cost you more for the convenience of sitting together. You have to be willing to break up the family, potentially. Right. Reporter tip number two. Weve heard over and over that its best to fly on wednesday, the least popular day to travel. But whens best to book . Turns out its tuesdays at 3 00 p. M. Thats when the airlines typically release their sale fares. So, they tend to load their systems around that time. Reporter tip number three. Use sites like hipmoneyiunk. Com kayak. Com, which match flights with your budget. But buy your ticket directly with the airline, often cheaper than a middle man. Its really in their best interest to get people to book on their own site. They do it through promo codes. They offer deals through facebook and twitter. Reporter and finally, be flexible. The rodriguezes were looking to fly with a layover to ontario, california. We found them a nonstop flight to los angeles, just 60 miles away, for almost 2,000 less. So, maybe i will be able to make that Family Reunion. And thats real money. Reporter some airlines are going to hit you with a change fee. If you dont have time to monitor, there are websites alerting you if your fare drops after booking. We have more on our website, diane. Great to see you and your real money, paula. And talk about a vacation memory. Coming up, a close encounterle of a large kind. A whale of a story in our instant index, next. This is america. We dont let frequent heartburn come between us and what we love. So if youre one of them people who gets heartburn and then treats day after day. Block the acid with prilosec otc and dont get heartburn in the first place [ male announcer ] one pill each morning. 24 hours. Zero heartburn. 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He also created other old friends from star wars, chewbacca and joba the hut. And Stuart Freeborn was 98, as yoda might have said of us, sad, we are tonight. And a different kind of memorable encounter. This one, off the coast of maui. Take a look now. A couple is canoeing in calm waters, and then, watch and listen. Oh, my wow it was a sneak attack by a humpback whale. And it being called a love tap. A kind of hello there in mating season. And even whales can dream on valentines day. And a date were all circling in red on our calendars. February 20th. Its when our friend Robin Roberts will make her return to the anchor desk on good morning america. Five months to the day after her bone marrow transplant. As you know, shes been checking in behind the scenes at gma and said today how thankful she is for all your prayers, adding, shell see us all soon. Counting the minutes, rob. Coming up here, a star is born at a walmart checkout counter. Why does a coal miners granddaughter have thousands of why does a coal miners granddaughter have thousands of people playing her song tonight . Lets say ur guy around 2 to manage your money. Thats not much you think. Except its 2 every year. Does that make a difference . Search cost of Financial Advisors ouch. Over time it really adds up. Then go to etrade and find out how much our advice costs. Spoiler alert its low. Really . Yes, really. Etrade offers Investment Advice and guidance from dedicated, professional financial consultants. Its guidance on your terms, not ours. Thats how our system works. Etrade. Less for us. More for you. Can be the worst part. My medicine alone doesnt always give me all the Congestion Relief i need to sleep. [ female announcer ] adding breathe right nasal strips can make all the difference. Its proven to instantly relieve cold or flu nasal congestion. [ stefan ] and because its drug free, its safe to use with any medicine to relieve my nighttime stuffy nose. So i can breathe better and sleep better. [ female announcer ] go to breatheright. Com for special offers. [ female announcer ] go to breatheright. Com why take exercise so seriously,when it can be fun . Pushups or sprints . Whats wrong with fetch . Or chase . Lets do this larry ooh, i got it, i got it narrator the caloriesmart nutrition in beneful healthy weight. Includes grains and real chicken, because a healthy dog is a playful dog. Beneful healthy weight. Find us on facebook to help put more play in your day. But, dad, youve got. [ voice of dennis ] allstate. With accident forgiveness, they guarantee your rates wont go up just because of an accident. Smart kid. [ voice of dennis ] indeed. Are you in good hands . But whats even more surprising is that brushing alone isnt enough to keep it clean. Fortunately, youve got listerine®. Unlike brushing which misses 75 of your mouth, listerine® cleans virtually your entire mouth. So what are you waiting for . Its time to take your mouth to a whole new level of health. Listerine®. Power to your mouth™. And take the listerine® 21 day challenge. Feel the difference, or your money back. I took something for my sinuses, but i still have this cough. [ male announcer ] a lot of sinus products dont treat cough. They dont . [ male announcer ] nope, but alka seltzer plus severe sinus does it treats your worst sinus symptoms, plus that annoying cough. [ breathes deeply ] oh, what a relief it is [ angry gibberish ] finally tonight, proof that all the world really can be a stage, if you have a hopeful heart and a great country song. Tonight, that stage is the checkout aisle of a walmart in west virginia. And the song belongs to a girl who never expected us to stop and listen. Heres abcs steve osunsami. Im proud to be a coal miners daughter reporter shes proof that theres big talent in small places. 21yearold kayla sloan was toiling away in the checkout lane at this walmart in west virginia, when a customer noticed her singing a tune, and then pulled out an iphone to record the magic. Little did she know the video would catch fire on the internet. This is coal mining country. Her husbands a coal miner, her grandfather, too. And today she told us shes had big dreams for years, but never thought theres any chance they could come true. I never thought that it would make it that far. I honestly thought that you know, people would see me and enjoy it, but as far as it making it that far, i never even dreamed. Im hoping to be on the grand ole opry. Take the ribbons from my hair reporter when she was 15, she and her brother cobbled together what little they had to record this homemade album that no one heard. But now shes a hit. At least in the mountains. And certainly at the walmart she calls her second home. We were poor but we had love thats the one thing my daddy made sure of ive actually had people come through my line and theyre like, can i have your autograph . Or, will you sing me a song . , and i start singing. Reba . Lord, forgive me for what i do you want him well, its up to you reporter she now sings at her register, in the break room and underneath the valentines day balloons that are for sale. She says shell never give up, no matter how small the stage. Steve osunsami, abc news, atlanta. But who knows whos out there listening. And, by the way, she says she has been singing since she was 3 years old. Thank you so much for watching tonight. Were always working for you at abcnews. Com. Nightline will be here later at its new time, 12 35 a. M. Eastern. And ill see you right back here again tomorrow night. Good night. On