>> happening across the nation and overseas, amid fears that terrorists could be ready to use a new type of bomb. one that's actually inside their bodies. also today, may day protests. threats to disrupt your morning commute. police are already responding to some suspicious mailings containing white powder. a learning experience is what the crash of an airliner is being called this morning. we promise, no one was hurt in this one. and perfection in the ballroom. maria menounos does something no one else has done this season. good tuesday morning, everybody. i'm rob nelson. >> i'm sunny hostin. paula faris is on assignment. as we look back at the killing of osama bin laden one year ago, there's a new threat. >> officials are now worried that terrorists may have bombed surgically implanted inside their bodies. and abc's tahman bradley is

joining us from washington, with details on this latest security scare. good morning, tahman. >> reporter: the focus is on u.s. carriers. the concern, terrorists will target americans overseas and u.s. flights coming in from overseas. with tonight marking the one-year anniversary of osama bin laden's death, security is tight here in the u.s., amid fears of a potential new threat. abc news has learned that u.s. authorities have concerns over terrorists using body bombs. a terrorist could have explosives surgically implanted in his body, perhaps in the stomach. >> the surgeon would open the abdominal cavity, and literally plant the explosive device amongst the internal organs. >> reporter: over the past year, u.s. and european authorities have warned that the master bombmaker for the al qaeda affiliate in yemen, ibrahim al asiri, has been designing body bombs with no metal parts to get past security. as a result, security has

stepped up in the united states, the united kingdom and the middle east. >> nobody wants to be the person who overlooked a clue. that's happened in the past. and we've paid for it. >> reporter: u.s. officials say there's no credible information of an imminent attack. but white house counterterrorism official, john brennan, warns the al qaeda in yemen is a significant threat. >> they continue to seek the ability to strike our homeland. >> reporter: one year ago, president obama ordered the killing of osama bin laden. yesterday, he called on americans to remember those who participated in the operation. >> the american people rightly, remember what we, as a country, accomplished. in bringing to justice, somebody who killed over 3,000 of our citizens. u.s. authorities say they made adjustments to airport screenings, such as turning up the radiation used to try to detect body bombs. rob?

sunny? >> sobering news. tahman bradley in washington. thanks very much, tahman. bin laden's death is figuring prominently in the presidential campaign. mitt romney is now hitting back against the question being raised by the obama campaign. would he have okayed the raid to kill bin laden? >> governor? >> yeah. would you have gone after bin laden? >> of course. >> you would have given the order, governor? >> even jimmy carter would have given that one. >> i would go after bin laden if we had a clear shot at him. and i did. if there are others who said one thing and now suggest they'd do something else, then i'd go ahead and let them explain. >> let the politics begin. the latest polling from abc news shows most voters putting combatting terrorism at the bottom of their priority list, actually. instead, most folks say fixing the economy should be the president's single-most important issue. we'll learn more about bin laden's activities when some

of the documents seized by navy s.e.a.l.s from his pakistan compound are released later this week. they'll be posted online by the u.s. army's combatting terrorism center at west point. for the first time, white house counterterrorism chief, john brennan, is revealing the use of drones. u.s. targets a chosen by weighing whether a person can be captured against how much a threat that person presents to americans. he also acknowledges civilians have been killed in drone strike and says most of them are carried out with cooperation from a foreign government. the associated press is saying that the u.s.-led coalition in afghanistan is not reporting all of the instances when u.s. troops come under attack. the coalition reports that attacks in which a coalition soldier is killed by an afghan in uniform. however, it does not report the instances in which an afghan wounds u.s. or nato troops or misses his target.

secretary of state hillary clinton is headed to china this morning with the fate of a blind chinese dissident unresolved. president obama refused to address the issue or to confirm that chen kwan chang is under u.s. protection in beijing. but a top u.s. diplomat has been working behind the scenes so the issue does not cloud secretary clinton's visit. today is may 1st, or may day, as it's also known. a day in which labor protests are held. and the occupy movement is hoping to carry on that tradition. organizers are calling for no working, no shopping and no banking, in at least 125 cities. also, world capitals, as well. here in new york, protesters plan to block bridges and tunnels and interfere with commuters this morning. meanwhile, out west, in california, protesters say they will converge in downtown l.a. and will try to shut down ferry service into san francisco. could be an interesting morning. overnight, police here in new york say white powder was

mailed to several bank branches. the powder turned out to the cornstar cornstarch. an occupy spokesman said it was a prank and had nothing to do with may day protests. parts of northern oklahoma are cleaning up this morning after getting battered by four tornadoes. >> one twister was spotted in the town of medford, where they saw large hail and downpours. no reports of injuries just yet. earlier in the day, that same system triggered flooding that surrounded homes, washed out roads and forced families to evacuate. as for today's severe weather, expect hail, gusty winds and tornadoes around minneapolis, des moines, omaha and wichita. heavy rain from louisville to indianapolis and chicago. morning showers from new england to the carolinas. thunderstorms in south florida. mountain snow from wyoming to montana. showers in the colorado rockies and pacific northwest. >> 54 in seattle. 67 in salt lake city.

93 in phoenix. mostly 70s from fargo to indianapolis. 71 here in the big apple. heating up in the south. 80s from atlanta to dallas. coming up, an airline getting into the oil industry. >> very interesting move by delta. plus, news about housing across the country. why so few owners these days. your business news is coming up next. also, the heartbreaking 911 call, following the murder of singer jennifer hudson's family. pain amid the panic. new details from the courtroom, right ahead.

home ownership is down again. the share of privately owned homes in the u.s. is at a 15-year low. just 65%. despite falling housing prices. a major reason is it's more difficult to qualify for a mortgage. so, more young people are renting. in fact, the federal reserve survey finds that most banks are keeping their credit standards tight for home loans, even though demand for mortgages is increasing. lenders are easing the criteria for other types of loans like credit cards and autos. overseas markets are mixed today, with asian markets closed for a holiday. tokyo's nikkei average dropped 170 points today. hong kong's hang seng, also closed. in london, the ftse opened lower. on wall street, the dow slipped 15 points yesterday. the nasdaq index fell 23. and here's an idea that might take off for the airline industry. delta airlines is buying its own refinery, which it will then use

to produce jet fuel. the airline estimates it will recoup that expense in less than a year, in fact. fuel is about one-third of an airline's operating cost. and those costs are growing. american drivers are shifting to manual in the first quarter, vehicles with stick shifts were double in the past five years, despite that most modals don't offer manual transmissions. the main reason, a purchase price. >> i never learned to drive a stick. >> really? >> automatic. also, angry birds space is now the fastest growing mobile game in history. its publisher says the game was downloaded 50 million times in its first 35 days. >> and some of that was pent-up demand because there hadn't been a new game in a year. coming up this morning, the plane crash that didn't hurt anybody. while all this was done on purpose.

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you are looking at a spectacular crash in the mexican desert. this jet can be seen hitting the ground so fast, the nose literally rip office. the pilot ejected just moments before. fortunately, all the passengers, all crash test dummies. the deliberate crash was part of an experiment for the discovery channel. they're hoping it unlocks some credits at the moment of im . and hope to make planes a little safer. now, for a look at morning road conditions. wet on i-95, from washington, d.c. to south florida. flooding on i-35. i- 70, from colombia us to indianapolis.

and i-94, from chicago to detroit. icy spots in the pacific northwest. and northern rockies. >> if you're flying today, some airport delays are possible in miami, kansas city, chicago and minneapolis. well, jurors in the triple-murder trial of jennifer hudson's former brother-in-law had to sit through a day of graphic testimony and gruesome crime scene photos. >> chicago police detectives described finding the body of hudson's 7-year-old nephew inside an suv. for the first time, the public is hearing the frantic 911 call from the singer's sister, moments after she discovered their mother's body. >> somebody killed my momma. >> do you see blood on her? >> i don't know. i don't know. i'm scared. she's 57 years old. please, help my momma. can you please send an ambulance. >> so chilling to hear that. william balfour is accused of killing hudson's brother in this case. the police released the 911

recordings to the public, in a response to a request by the media. a man accused of shooting seven people to death in a college at oakland, pled not guilty. he planned the shooting rampage at oikos university as revenge. he faces a special circumstance of committing multiple murders, making him eligible for the death penalty. an emotional day at the john edwards trial. the jif of andrew young, cheri, broke down on the stand. the judge dismissed the jury to allow her to compose herself. testimony was cut short in the afternoon after young suffered a migraine. consumer safety advocates are sounding the alarm on america's cosmetics industry. the average woman applies 12 beauty products to her body every, single day. that's actually 120 chemicals,

including formaldehyde and other carcinogens ganed in europe. but they will allow the fda to regulate makeup and shampoos. for now, experts recommend using products with fewer ingredients. and babies born with signs of drug withdrawal have tripled in ten years. researchers say it's because of the surge of painkillers and illegal narcotics by pregnant women between 2000 and 2009. methadone is used to wean drug dependence. it can take months and drive up the cost of health care. more than 1.5 million tons of debris from last year's tsunami in japan, are drifting across the pacific ocean, towards north america. that includes this slightly rusty harley davidson motorcycle. it was found inside a white container on a beach in british colombia. it had a license and registration in japanese writing.

now, some hoops as the nba playoffs roll on. we get last night's highlights from espn news. >> good morning. i'm todd grisham. this is your "sportscenter" update. amar'e stoudemire, after the game between the heat and the knicks, punched the glass surrounding a fire extingisher, cut his left hand. carmelo anthony, with the jam. second quarter, dwyane wade with the floater. he had 25 points on 11 of 18 shooting. lebron, your likely mvp played like it on monday night. he had 19 points. and gets this one to go, and one. 13-point lead. two minutes left, now. lebron to dwyane wade, we've said it all year. heat win it, 104-94, to take a 2-0 series lead. mavs and thunder. game one was a thriller. so, too, was game two. it would come down to the fourth

quarter. game two. russell westbrook. he had 29 points to lead the way for okc. just under five minutes left. and dirk nowitzki, who had 31 draws the foul and the bucket. 36 seconds left. dirk, with the lean. no. okay. okc rebounds. who do you go to if you're dallas for the tie? jason terry, once, no. the mavs can't win one in oklahoma city. they came close. 102-99. make sure and check out wednesday night baseball. we love the orioles' logo, by the way. 7:00, on espn. enjoy. iron workers in new york made good on their promise, turning one world trade center into the city's tallest skyscraper. >> they hoisted enough 12-ton steel columns on to the top deck

to make the unfinished skeleton just over 12,050 feet tall, just higher than the empire state building. nice scene. coming up next, "the pulse." bobby brown talking about his ex-wife, the late whitney houston. and straight tens for maria menounos on "dancing with the stars." the sizzling highlights, coming up next. [ female announcer ] introducing new fresh take.

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all right. time to check "the pulse," the storying you'll be talking about today, beginning with a first on this season's "dancing with the stars." maria menounos, and her partner, getting a perfect score for this tense, passionate, paso doble, in which she sported her vampire fangs. >> and there was a sizzling routine by three couples. melissa gilbert is at the back of the dancing pack. >> all right. and bobby brown is speaking out for the first time since the death of his ex-wife, whitney houston, ninsisting, he is not the one who introduced her to cocaine and other hard drugs. >> in an interview with nbc, he said he never did hard drugs until he met whitney. and brown said he has been sober for seven years and had no idea

that houston was struggling. >> that she was doing drugs before they met. golden retrievers are well-known for their loyalty and intelligence. take lili, who helps his owner save money on a lock for his bike. >> nobody is going to get close to that bike. and this dog has figured out how to ride shotgun, sort of. balancing himself perfectly on the back of the bike. >> that's a big dog. >> very impressive. >> you are impressive. finally, that dolphin in a wetland's area in southern california is breathing and eating normally. >> but it may be a victim of bullying. the dolphin encountered other dolphins who were aggressive. the dolphin encountered other dolphins who were aggressive. for some, local news next. ou i plugged in snapshot, and 30 days later, i was saving big on car insurance. i was worried it would be hard to install. but it's really easy. the better i drive, the more i save. i wish our company had something this cool.

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more flights headed to the u.s. the occupy wall street movement is calling for may day protests in cities across the country. it is hoping to disrupt commuting in major cities on both coasts and elsewhere. the wife of the key prosecution witness returns to the stand today in the john edwards' trial. cheri young broke down in tears when she described how edwards asked that they cover up his affair. looking at today's weather. morning showers on the east coast. heavy rain from louisville to chicago. severe storms from minneapolis to wichita. showers and mountain snow in the northwest. and finally from us this morning, an update on conjoin twinned girls separated in a ten-hour surgery last fall. >> doctors they say passed their sixth-month checkup with flying colors. >> reporter: angelica and angelina dressed up for their hospital play date. and why not? having fun together, but separately, was once unthinkable. this is what they looked like last year, playing at home in

san jose. and now, they're running circles around each other. >> they had their own dreams. when we're watching the "american idol," they said, i want to be the next "american idol." >> reporter: surgeons at lucille pack card children's hospital are the real stars. in november, they performed a ten-hour operation to separate the conjoined twins. today, nearly six months later, their development is right on schedule. but notice, angelica is left-handed. and angelina is right-handed. >> actually, that's a fact i didn't know. but you can think that that would make sense, if they're facing each other. >> reporter: their personalities since the surgery hasn't changed. angelica is more outgoing. and angelina, more reserved. >> angelica is the one that's making her sister smile by pressing her lips. >> reporter: the girls will celebrate their third birthday

in august. and the family says its wishes have already come through. the sabucos' tell angelina ika. their futures might honor the professionals who change their lives. >> what do you want to be when you grow up? she wants to be a doctor. and ina, a nurse. >> reporter: the laughter comes easy, now that anything is possible. in palo alto, rusk, abc 7 news. >> nice story. >> really nice. that's what's making news in america this morning. >> stay with us for "good morning america." thanks so much for watching, everybody. and have a great tuesday.