john. >> shasta darlington thank you. >>> pope francis makes it official. the trip to the united states will include trips to new york and washington, d.c. announced with the previously scheduled trip to philadelphia. the pontiff's itineray is still, worked out. this is his first trip to the united states as pope. >>> a terror threat from isis warning they will kill hostages if their demands are not met. we are live after the break. so you're looking for a loan? how's your credit? i know i have an 810 fico score, thanks to the tools and help on experian.com. and your big idea is hot dogs shaped like hamburgers? nope. hamburgers shaped like hot dogs. that's not really in our wheelhouse... you don't put it in a wheelhouse. you put it in your mouth. get your credit swagger on. become a member of experian credit tracker and find out your fico score powered by experian. fico scores are used in 90% of credit decisions. morning, a chilling new threat from isis. threatening to kill new hostages if their demands are not met. this as officials make a desperate push t

shasta darlington, cnn. >>> we'll take another quick break.e blizzard of 2015 wasn't as intense as predicted in some places. >> hear why officials are defending their overabun bunbundance of caution. n't think "i've still got it" when you think aarp then you don't know "aarp." life reimagined gives you tools and support to get the career you'll love. find more real possibilities at aarp.org/possibilities. meet the world's newest energy superpower. surprised? in fact, america is now the world's number one natural gas producer... and we could soon become number one in oil. because hydraulic fracturing technology is safely recovering lots more oil and natural gas. supporting millions of new jobs. billions in tax revenue... and a new century of american energy security. the new energy superpower? it's red, white and blue. log on to learn more. you used to sleep like a champ. then boom... what happened? stress, fun, bad habits kids, now what? let's build a new, smarter bed using the dualair chambers to sense your movement, heartbeat, breathing. int

shasta darlington cnn, buenos aires. >>> ten people killed in spain after an f-16 crash on monday. this of at a base southeast of madrid. a spanish official says the f-16 went down during takeover and slammed into other planes on the ground. two of the victims were greek pilots. also killed eight french military personnel, 21 other people were hurt. >>> all right. let's take a short break now. still to come on cnn, the blizzard of 2015 shuts down major cities in the northeastern united states. we are live in new york and in boston for the latest updates. [ female announcer ] nervous whitening will damage your teeth? introducing new listerine® healthy white™. it not only safely whitens teeth, but also restores enamel. lose the nerves and get a healthier whiter smile that you'll love. listerine® healthy white™. power to your mouth™! bulldog: mattress discounters presidents day sale! get up to four years interest-free financing on the entire tempur-pedic cloud collection! and, get a queen size serta mattress and box spring set for just $397. ♪ mattress discounters ♪ >>> millions of pe

shasta darlington cnn. >>> new developments to tell you about as far as the u.s. americans traveling to cuba. now bring your plastic with you to cuba. mastercard announcing american credit cards can be used on the island starting the first of march. meantime u.s. and cuban officials wrapped up the first round of talks to restore diplomatic relations after five decades of estrangement. hard to tell how the talks went judging from the faces here from around the table. both sides acknowledge common ground was made but they say there's a long road ahead before relations are normalized. >>> the nfls new england patriots claim they played by the rules. how they do simulations to find out how the footballs ended up underinflated. >>> from football we turn to baseball because baseball lost a legend this past week. we'll tell you howerny banks changed the game. >>> we have the latest on deflategate. the head coach of the nfls new england patriots is trying to end the controversy over underinflated footballs. he strongly denies cheating in the playoff game a week ago. he tr

shasta darlington cnn. >> the slowest great rate in a quarter of a century. >>> also, we'll take you to china's so-called ghost cities as the supply of new housing massively out strips demand. stay with us. you know.... there's a more enjoyable way to get your fiber. try phillips fiber good gummies. they're delicious and an excellent source of fiber to help support regularity. mmmm. these are good! the tasty side of fiber. from phillips [ female announcer ] we help make secure financial tomorrows a reality for over 19 million people. [ alex ] transamerica helped provide a lifetime of retirement income. so i can focus on what matters most. [ female announcer ] everyone has a moment when tomorrow becomes real. transamerica. >> new economic data the economy grew by 7.4%. the weakest expansion in 24 years. let's look at the numbers how asian march redkets are responding hong kong up by half a percent. the nikkei up by 2% and australia in negative territory but flat. despite missing the initial target. the economy continues to grow. this is the slowest rate since

we have shasta darlington with more. >> reporter: i'm standing here in front of the apartment buildingosecutor was found dead on sunday afternoon. as you can see, it is a 24-hour media circus. there are more twists and turns in this case and the latest comes from the president of argentina. christina fernandez saying she no longer believes this is a suicide. she said the opposite two days ago. this is the prosecutor who accused the president trying to cover up iran's role of the bombing of the jewish center 20 years ago. his body was found hours before he was supposed to appear in front of a congressional committee to present his evidence. many government officials have focused on the theory this could be a suicide. most argentines are not buying it. they have gone to the street to demand justice. now it appears the president might agree with him. she said the allegations against her are calls, but she believes nisman could be the victim of fake informants. she said in the open letter they used him and he turned up dead. she said in the letter she is convinced this is not a suicide. th

shasta darlington cnn, buenos aires. >> one of the first joushlists to respect the allege -- journalistso report the alleged cover-up in the bombing has fled. >> he arrived sunday after telling cnn he was being follow by government agents and feared for his life. he was also one of the first to report neesman's death. >>> 70 years ago the soviet army elizabeth liberate ed liberated liberated. >> one veteran of among the first soldier to reach the notorious iron gates. we must warn you, some of the images you're about to see are disturbing and graphic in nature. >> reporter: he witnessed some of worst carnage of the 20th century. and there's a chest full of medals to prove it. he's a veteran of stall grad and kursk, some of the bloodiest battles of the second world war. it's the memories of auschwitz, he tells me that continue to haunt him. >> translator: we didn't know what it was at first. we entered the gates and saw a railway track with lots of trollies. then we noticed the trollies were design to go straight into some ovens. we counted nine big ovens with cast-iron doors. >> reporter

. >> shasta darlington has that part of the story from buenos aires. >> reporter: the man who gave specialrosecutor alberto nice happen the gun used to kill him has finally broken his shens. in a lawyer's office packed with journalists, diego lagomarsin owe told the prosecutor he feared for his daughter's safety and didn't trust the agents assigned to protect him. lagomarsino was in charge of computer security. he said the day before nisman's body of found in this apartment with a .22 caliber gun by his side he called his employee into his apartment and asked about a gun. >> translator: why do you want it? he said, in reality, i'm afraid for the girls. iy is but you have bodyguards. hey is i don't even trust the bodyguards. at this time he broke down and said do you know what it is like that your daughters don't want to be with you because they're afraid something will happen to them? >> reporter: he's been charged with a camera violation and see up to six years in jail because he lent his gun to someone who wasn't registered to tuesday. he's also been singled out by the president who said

cnn's shasta darlington is live in buenos aires in front of the presidential palace.or has really shocked the country. but i got to say from the very beginning, most argentines suspected this was not a suicide. and their suspicions focused on the two parties that were being targeted in nisman's investigation. those of course were the government of argentina and iran. >> argentine prosecutor alberto nisman spent the last ten years of his life building a high-profile case that ended up targeting his country's top officials. on sunday, just hours before he was set to testify before congress, he was found dead inside his buenos aires home with a bullet wound to his temple. next to his body, a gun and shell casing. initially leading investigators and the president to label his death a suicide. but now, new details causing argentina's president to make an about-face. writing on her facebook page -- the suicide that i'm convinced was not a suicide. investigators now revealing no gunpower residue was found on nisman's hands. indicating he may not have pulled the trigger himse