manuel bojorquez has today's developments. >> reporter: esteban santiago was escorted in handcuffs and shackles to today's hearing. fbi special agent michael ferlazzo testified that after the attack, santiago told the web in isil chatrooms with other like-minded individuals promoting attacks. the morning after the six-hour-long interrogation, fbi special agent george piro would not rule out terrorism. >> we're looking at all of his social media, things like that. it's giving us a picture of the individual. >> reporter: cbs news has learned that so far, investigators have not found evidence on santiago's computer or cell phone to corroborate statement he's visited jihadi chatrooms. santiago is accused of killing five people in a baggage claim area of the airport on january 6. initially, deputies said he told him he was being controlled by the government, and hearing voices, a claim he also made to the fbi late last year in alaska, where he underwent a six-day-long psychiatric evaluation. agent ferlazzo told the court today santiago was only given antianxiety drugs and his gun, which was

manuel bojorquez tells us why. >> reporter: from the death defying to the exotic, the ringling bros. barnum bailey circus is an american institution. >> it was a difficult decision. >> reporter: kenneth feld is ceo of its parent company. >> it's amazing it's been around for 146 years. and it's survived, you know, economic cycles and world wars. >> reporter: but it could not survive today's rapidly changing entertainment landscape. ticket sales declined over the last decade and dropped further when the circus phased out its biggest performers in 2015 amid protests by animal rights groups. >> we knew that when we transitioned the elephants off the show that we would take some level of a hit in attendance, but it far exceeded what we ever anticipated. >> reporter: although feld won't directly credit animal rights activists, they claim the circus's demise a victory. is this the end of an era? >> in my heart i don't want to believe that. >> reporter: dolly jacobs was an aerialist with the circus for 14 years. her father was one of its most famous clowns for six decades. you are convinced

here's cbs reporter manuel bojorquez. >> reporter: walling off the rio grande would require building on its floodplain. right now the river is running about 20 to 30 feet above normal. >> we have parts that border the river area. >> reporter: laredo mayor met with then candidate trump when he visited the city in 2015. on wednesday, he said erecting the wall around laredo was quote offensive. >> it serves as a negative psychological, um, impact on people that visit our city. can you imagine having a city with a huge wall there, um, it's not very inviting. it's very divisive. >> reporter: the nearly 2,000 mile long southern border is already protected by almost 700 miles of fencing. it costs more than $2 billion to build. for vast stretches it is an imposing metal barrier but other sections don't stop people. and where it abruptly ends it's easy enough to go around it. the president wants to replace that hodgepodge fencing with a concrete wall spanning the entire border. he said his plan will cost 8 to $12 billion. analysts peg the figure at 15 to $40 billion. critics say that money is

jobs depend on trade with mexico. >> pelley: manuel bojorquez on the southern border. the president exaggerates. he admits that, and he said a couple things today in the news conference that we wondered about. mr. trump said that the united states is losing "millions and millions of jobs" to mexico. well, our research department found this most recent survey ending in 2010 estimated that, at most, 682,000 jobs have free trade agreementeg.s trade e country." but for the record, the u.s. has a trade surplus with most countries, 132. a deficit with 102. the president's ambassador to the u.n. put every nation on notice today. nikki haley said the u.s. wants value for its u.n. commitments, and she chose these words as her first greeting in her new post. >> and the way that we'll show value is to show our strength, show our voice, have the backs of our allies, and make sure that our allies have our back as well. for those that don't have our bark we're taking names. we will make points to respond to that accordingly. >> pelley: ambassador nikki haley. the biggest supreme cou

manuel bojorquez has today's developments. >> reporter: esteban santiago was escorted in handcuffs and shackles to today's hearing. f.b.i. special agent michael ferlazzo testified that after the attack, santiago told the f.b.i. he was in touch at the dark web in isil chatrooms with other like-minded individuals promoting attacks. the morning after the six-hour- long interrogation, f.b.i. special agent george piro would not rule out terrorism. >> we're looking at all of his social media, things like that. it's giving us a picture of the individual. >> reporter: cbs news has learned that so far, investigators have not found evidence on santiago's computer or cell phone to corroborate statement he's visited jihadi chatrooms. santiago is accused of killing five people in a baggage claim area of the airport on january 6. initially, deputies said he told him he was being controlled by the government, and hearing voices, a claim he also made to the f.b.i. late last year in alaska, where he underwent a six-day-long psychiatric evaluation. agent ferlazzo told the court today santiago was only g

manuel bojorquez has the view from the twin cities of laredo, texas, and nuevo laredo, mexico. >> reporter: president trump points to breaches on the border, like this hole near el paso, as reasons the nation must build a border wall. >> a lack of security poses a substantial theft to the sovereignty and safety of the united states of america and its citizens. >> reporter: but along the border in laredo, texas, democratic congressman henderson calls the proposed wall impractical. >> there are some areas that i can see tell me how you're going to do this on a natural barrier like the rio grande. >> reporter: nearly 700 miles of the 2,000-mile long boarder with mexico already has some type of fencing at a cost of more than $2 billion. president trump put the cost of the entire concrete wall at $8 to $12 billion, though analysts say it could hit $40 billion. there are some practical challenges, like building on private lands, over remote mountains, and on national parks. dennis nixon was one of the trump campaign's top fund-raisers in texas, yet he opposes the wall. >> bad decisions are made

well, today, the victim, now a young woman, shared with our manuel bojorquez her story of forgivenessow would you describe what you've been through? >> just overwhelming. >> reporter: growing up, can can mahaalexis manigo had no ide woman who raised her would be arrested for allegedly dressing up as a nurse and kidnapping her from the hospital. >> i have no hatred for her. i love her. >> reporter: how are you so easily able to forgive her? >> when you have lived the life i have, when you have been loved the way i have, you'll understand why. >> miss williams, have been charged with kidnapping. >> reporter: that was clear when she saw williams at a court hearing and sobbed. >> mama. it was hard. it was very hard. >> reporter: today in jacksonville, a judge denied williams bond. authorities say her story began to unravel when some of alexis' documents appeared to be fake. the parents who last saw her as newborn kamiyah mobley, shanara mobley, and craig aiken, reunited with her this weekend. she assured them that despite how her life began and that the person she calls mother is behind b

on may 21st in new york. >> pelley: manuel bojorquez, thanks.ming up next, can you name the last man on the moon? e moon? r body go by forcefully stimulating the nerves in your colon. miralax is different. it works with the water in your body to hydrate and soften, unblocking your system naturally. miralax. if you have moderate to severe plaque psoriasis isn't it time to let the real you shine through? introducing otezla, apremilast. otezla is not an injection, or a cream. it's a pill that treats plaque psoriasis differently. some people who took otezla saw 75% clearer skin after 4 months. and otezla's prescribing information has no requirement for routine lab monitoring. don't take otezla if you are allergic to any of its ingredients. otezla may increase the risk of depression. tell your doctor if you have a history of depression or suicidal thoughts, or if these feelings develop. some people taking otezla reported weight loss. your doctor should monitor your weight and may stop treatment. side effects may include diarrhea, nausea, upper respir

well, today, the victim, now a young woman, shared with our manuel bojorquez her story of forgivenessow would you describe what you've been through? >> just overwhelming. >> reporter: growing up, alexis manigo had no idea the woman who raised her, gloria williams, would be arrested for allegedly dressing up as a nurse and kidnapping her from the hospital. >> i have no hatred for her. i love her. >> reporter: how are you so easily able to forgive her? >> when you have lived the life i have, when you have been loved the way i have, you'll understand why. >> miss williams, have been charged with kidnapping. >> reporter: that was clear when she saw williams at a court hearing and sobbed. >> mama. it was hard. it was very hard. >> reporter: today in jacksonville, a judge denied williams bond. authorities say her story began to unravel when some of alexis' documents appeared to be fake. the parents who last saw her as newborn kamiyah mobley, shanara mobley, and craig aiken, reunited with her this weekend. she assured them that despite how her life began and that the person she calls mother

manuel bojorquez is at a circus training center in sarasota, florida. el, good morning. >> reporter: good morning. this is the so-called greatest little show on earth. it's the training ground for some who had hoped to join ringling brothers. it has an uncertain future despite a spectacular fast. with exotic animals, the ringling bros. barnum & bailey circus was turned big top cap uring audiences for nearly 150 year bus attendance has been falling. ringling tried to remain relevant adding i skating and bmx effects. they added their first female ringmaster. but they say letting go some of their biggest performers was the final straw. >> removing elephants from the touring units we saw a very sharp drop in attendance, much greater than we anticipated and that's led us to this decision because the business motto was no longer sustainable. >> activists are claiming victory but are still concerned about the future of the animals. >> they still have the possibility of moving them sanctuaries. >> reporter: at the conservatory in sarasota that trains the young o