Touching down in North Carolina. Drivers speeding past an ominous sky. And this funnel cloud hovering just above the ground. A short time ago, bolts of lighting forcing nascar fans to evacuate. 32 million americans getting ready for hail and floods. Steve osunsami starts us off. Reporter it sounded like it was raining golf balls. Late today in North Carolina quarter sized hail fell over ft. Bragg. Reports of tornados falling out of the sky. This is a time lapse of the dark clouds. In richmond, virginia, this storm sent nascar fans scrambling from the stands. Out west, a big storm is just getting started. Winds Strong Enough to send this portable going down the road. Up to a foot of snow expected in high elevations. But its the heartland thats bracing for the worst. Tornadoes are possible tomorrow from dallas to des moines. Later this weekend, from texas to st. Louis. The main threats are damaging wind, large hail, and the potential for large, damaging tornadoes. Reporter the threat is so great, the Storm Chasers are heading out. Its always that fine line of, we want to be able to collect data. However, we always hate to see the damage these storms cause. Reporter across texas and oklahoma, theres a run on Severe Weather safe rooms. More than 200,000 safe rooms sold in the last year alone. Researchers at texas tech found that the shelters can withstand wind speeds of up to 250 miles an hour, as strong as an ef5 tornado. You can run a car into it, blast it with jet engines, and nothing brings it down. Weve seen families survive in these shelters, in harvest alabama, this safe room saved the hodges family twice. This is a weather radio. Tonight, for anyone in the danger zone, it can be useful. Were entering the deadliest and busiest part of the tornado season. Diane . Thank you. And next to the news released today. Rare insight into the mind of the boy accused of stabbing students in the school in pennsylvania. David muir is here with what he said. Weve covered so many of these cases. Every time, a Community Asks what could have led to this that led to such horror . Tonight, investigators with our first look into the mind of the teenager, taking aim, stabbing fellow students, knifing a Security Guard in the stomach. Police say he told the vice principal that he wouldnt let go of the knives saying my work is not done. I have more people to kill. Weve also learned that investigators discovered a note in his locker dated april 6th. Three days before the incident. In it, his apparent disgust with his own school. Police say he wrote, he couldnt wait to see the faces of the students. Realize their lives are going to be taken by the only one among them that isnt a plebeian. Prosecutors have upgraded the charges against him. Investigators believe the attack was planned at just after 7 a. M. Reporter investigators still have not offered a motive for the attack. His family ate dinner together every night. His father stunned in the hours afterward. My prayers go out to everyone affected today. We hope they recover as soon as possible. One of the lasting headlines, the students out to help one another. One pulling the fire alarm, another stepping in front of his friend to protect her. He stepped right in front of me. And took a stab for me. Really close to his spine. Hes the hero in this for me. Reporter of course, that image of the 16yearold in handcuffs, taken into custody. After that terrifying ordeal lasted 15 minutes. Tonight, the weeks and months that led to that 15 minutes still a mystery. After discovering that note in the locker, hes been arraigned on new charges and two victims are still in the hospital. And two others were released just this week. Lingering questions. Thank you, david. And next, a scare in the air. The passengers didnt know how close they came to a collision. Two jets, one landing at Newark Airport and one taking off. Abcs david kerley tells us how close disaster came. Reporter at newarks airport, an aviation nightmare. Two planes less than two football fields apart, in the air, with the drama playing out on their radios. As an express jet, with 53 on board, was taking off to the north. A United Airlines 737 from San Francisco with 161 on board was landing to the west on an intersecting runway. The air Traffic Controller realizes they are getting too close and tells the landing united jet to immediately veer off. United 1243. Go around traffic off your left departing. Reporter seconds later, the warning to the express jet just lifting off. 4100, traffic off to your right. Do you have him in sight . Okay, yeah, were putting the nose down. And yeah, hes real close. Reporter the express jet, nose down, so it can dip below the bigger united jet. Over in just seconds. Okay, we saw him and we are resuming 4100 contact departure. Departure. He was real close. Reporter the concern in the pilots voice because preliminary sources suggest that the two aircraft may have been within just 500 feet of each other. This was something that should have never occurred. But team work get them out of it. The pilots doing the right thing got everybody out of it. The controllers doing the right thing. Reporter listen again. You can hear the relief from the pilot who had a very close call. Contact departure. Yeah, he was real close here. Reporter the faa and ntsb are investigating. Both airlines are cooperating. The faa tells that that while and the number of flights has increased but the rate of the close calls are declining. Thank you, david. On the beat again for us tonight. Were hearing a real estate phrase we havent heard at this level in seven years. Bidding war. Tonight, its heating up across the country. Shoppers asking, is this enough . And homeowners finding out if its time to sell. Now. Bianna golodryga has this story. Reporter keith and Brianna Johnson and 6monthold rider are on the hunt for their first home just outside denver, colorado. We want a house with three or four bedrooms, a nice backyard. Two bathrooms. Reporter and theyre not the only ones. Just seven years after the worst housing collapse in history, the market is once again redhot. No one expected home prices to go up this fast so quickly, reporter the median home price in march, almost up nearly 8 . One of the main reasons . Fewer homes to buy. Creating a feeding frenzy among buyers across the count. This boston condo, receiving nine offers and selling for more than 30,000 over its asking price. And this twobedroom townhouse in Silicon Valley getting 19 offers, selling for almost 200,000 over ask. Back in colorado, the johnsons whose price range is about 330,000 have already been outbid two times. The first time we put an offer in on a house, you know, it was this big celebration and we were out we went out and had a glass of wine with our agent. And you realize how naive you were that sold for 60,000 over the listing price, like you never had a chance. Reporter to get an edge in, experts say never bid on a friday. That gives the seller time to mull over other offers. And bid uneven numbers, they stand out. When the johnsons finally found their dream home, they put in a bid 6,000 over ask. Unfortunately, we have not selected your offer. I know, i know. There will be a house thats better. There always is. Reporter exactly what they should be doing, experts say. Do you see home prices continuing to rise . Home prices are gonna continue to go through the roof. And shell have more on this redhot Housing Market tomorrow night on nightline prime. Overseas, ukraines Prime Minister says that Vladimir Putin is ready to start world war iii and russia refuses to back up from the border. Heres jonathan karl. He asked president obama if americas economic pressure is working. John . Reporter good evening, diane. President obama told me bluntly today that president putin is not a stupid man and that sanctions are hurting russia and putin knows it. This is getting personal. I asked the president about putins recent response to a question about whether he thought obama would save him if he were drowning. President putin was asked that if he were drowning, would you save him . And said he thought you would save him. So im just wondering, was he correct on that . I absolutely would save mr. Putin if he were drowning. Id like to think that if anybody is out there drowning, im going to save him. Reporter president obama hasnt spoken to putin in over a week, but he did speak to european leaders last night about another round of sanctions, and were told they are coming in soon, probably before the president returns to washington next week. Diane . Jonathan karl traveling with the president. Tonight, from servant of god to beatified in record time. This sunday, Pope John Paul ii will become a saint. As will pope john xxiii. And terry moran reports from rome. Reporter the pilgrims are here, thronging the streets of this ancient city, crowding the souvenir stalls and flocking to st. Peters basilica. John paul ii, we love you. Reporter where the vatican has hung banners bearing the images of the two popes who will be saints john paul ii and john xxiii. As the pilgrims pour into rome, the feeling here is joyful. These two popes are not remote saints. Millions of catholics grew up with them. They are familiar. They touched peoples lives. Both men believed to be responsible for miracles after their deaths. This woman says she was miraculously cured of a brain aneurysm in 2011 after praying to john paul ii. A voice said, stand up and dont be afraid, she recalls. As church law requires, a team of vatican doctors certified the cure had no medical explanation. Faith is at work here for so many. Like carrie gebel. So its right over here, then . Yes, right down here. Reporter an encounter with john paul changed your life . Changed my life. Reporter 14 years ago, carrie caught a glimpse of the pope here, and she gave her life to the church. She flew all the way here yesterday i am in rome. Reporter a pilgrim on her own faith journey. Here i am today to say thank you to john paul, to honor him, and to see what he has next for me to do. Reporter two new saints. And for so many, the old faith renewed. Terry moran, abc news, rome. Tonight, whats going on at the Shopping Mall . Why are so many fighting over a parking spot . A new turf war caught on camera. You cant hold a spot. Were back in a moment with much more world news. L change. The problem isnt likely to go away. On its own. So its time we do something about it. And theres help. Premarin vaginal cream. A prescription that does what no overthecounter product was designed to do. It provides estrogens to help rebuild vaginal tissue and make intercourse more comfortable. Premarin vaginal cream treats vaginal changes due to menopause and moderatetosevere painful intercourse caused by these changes. Dont use premarin vaginal cream if youve had unusual bleeding, breast or uterine cancer, blood clots, liver problems, stroke or heart attack, are allergic to any of its ingredients or think youre pregnant. Side effects may include headache, pelvic pain, breast pain, vaginal bleeding and vaginitis. Estrogen may increase your chances of getting cancer of the uterus, strokes, blood clots or dementia, so use it for the shortest time based on goals and risks. Estrogen should not be used to prevent Heart Disease, heart attack, stroke or dementia. Ask your doctor about premarin vaginal cream. And go to premarinvaginalcream. Com this is worth talking about. Im the protector of my patio killing weeds where they grow a barrier forms so weeds cant appear serious weed prevention up to a year new roundup max control 365 so im fighting weeds on opening day and preventing weeds while i get away weeds stay dead as we carve this beast and they still arent back when i cook this feast new roundup max control 365 one more time let me make it clear with no more weeds, its your year music defiance is in our bones. Defiance never grows old. Citracal maximum. Calcium citrate plus d. Highly soluble, easily absorbed. Now, something that could happen to you this weekend at a Shopping Mall near your home. An increase in showdowns over parking spaces. Think of it as turf war meets road rage. As gio benitez explains, its happening everywhere. Reporter parking wars are taking place all across the country. From new york its not worth it, guys. Reporter to virginia. To georgia, where a local School Board Member was charged with reckless conduct after police say she ran down a teenage student trying to save a space at walmart. Tom ciccone is a former mall security expert. Name it, hes seen it. Cars rammed, smash into another car, throw things out of cars at people. Seen it all. Reporter 80 of incidents happen outside. But 80 of security is inside the mall. This woman says there was no security when a woman attacked her over a parking space. She starts biting on your finger. Starts biting my finger. Reporter so we decided to unleash our hidden cameras on a busy mall parking lot. We asked this actor to throw a wrench into drivers least favorite labors, finding a spot. Some lose it. I got dibs. Reporter some protest. What are you getting mad about . Im just holding a spot for them. You cant hold a spot. Reporter some simply push him aside. Bottom line, take our experts advice. Give up the spot. Reporter its just not worth the fight. Out of control. There you go. Reporter gio benitez, abc news, new york. Thanks. And you can see more on a special 20 20 tonight. 10 00 p. M. Eastern. And our pictures of the week. Up next. One little box, a big surprise. The secret message that turned into tears of joy. And an animal odd couple, now best friends. And belly pain feel like a knot. How can i ease this pain . man when i cant go, its like bricks piling up. I wish i could find some relief. announcer ask your doctor about linzess a oncedaily capsule for adults with ibs with constipation or chronic idiopathic constipation. Linzess is thought to help calm painsensing nerves and accelerate bowel movements. It helps you proactively manage your symptoms. Do not give linzess to children under 6, and it should not be given to children 6 to 17. It may harm them. Dont take linzess if you have a bowel blockage. Get immediate help if you develop unusual or severe stomach pain especially with bloody or black stools the most common side effect is diarrhea, sometimes severe. If its severe, stop taking linzess and call your doctor right away. Other side effects include gas, stomacharea pain and swelling. Bottom line, ask your doctor about linzess today. Abe get in punch it let quicken loans help you save your money. With a mortgage thats engineered to amaze a body at rest tends to stay at rest. While a body in motion tends to stay in motion. Staying active can actually ease arthritis symptoms. But if you have arthritis, staying active can be difficult. Prescription celebrex can help relieve arthritis pain so your body can stay in motion. Because just one 200mg celebrex a day can provide 24 hour relief for many with arthritis pain and inflammation. Plus, in clinical studies, celebrex is proven to improve daily physical function so moving is easier. Celebrex can be taken with or without food. And its not a narcotic. You and your doctor should balance the benefits with the risks. All prescription nsaids, like celebrex, ibuprofen, naproxen and meloxicam have the same cardiovascular warning. They all may increase the chance of heart attack or stroke, which can lead to death. This chance increases if you have Heart Disease or risk factors such as high Blood Pressure or when nsaids are taken for long periods. Nsaids, like celebrex, increase the chance of serious skin or allergic reactions, or stomach and intestine problems, such as bleeding and ulcers, which can occur without warning and may cause death. Patients also taking aspirin and the elderly are at increased risk for stomach bleeding and ulcers. Dont take celebrex if you have bleeding in the stomach or intestine, or had an asthma attack, hives, other allergies to aspirin, nsaids or sulfonamides. Get help right away if you have swelling of the face or throat, or trouble breathing. Tell your doctor your medical history. And find an Arthritis Treatment for you. Visit celebrex. Com and ask your doctor about celebrex. For a body in motion. Marge you know, theres a more enjoyable visit celebrex. Com and ask your doctor about celebrex. Way to get your fiber. Try phillips fiber good gummies. Theyre delicious, and an excellent source of fiber to help support regularity. Wife mmmm husband these are good marge the tasty side of fiber. From phillips. Time for our friday instant index. Our favorite images surfacing this week. Moments of pure joy for young and old. Heres nick watt. Reporter we begin this weeks index with the story you reacted to most, Lupita Nyongo named people magazines most beautiful woman of the year furthering the conversation on how we look at beauty. From beautiful to terrifying, pilot chuck aaron shows why hes the only civilian aerobatic helicopter pilot in this country. Meanwhile, back on earth, Jessica Hickey filmed her dad finding out hes going to be a granddad. Really . Yes. For the first time. And a tiny cat and a big horse become bffs. Wasnt there a beer commercial like that . Touring japan, president obama met the worlds most advanced humanoid robot, who challenged the most powerful human to a kick around. A young hockey fan, an unexpected gift thats pure joy. That was the instant index. Im nick watt. And up next, some unexpected superstars. Who are the brothers teaching us the secret language of champions . Theyre our persons of the week. [dog] larrwanna play . Arry . [announcer] a healthy dog is a playful dog. [dog] lets do this larry [announcer] help him keep those muscles while he loses a few pounds with beneful healthy weight. Made with wholesome rice,real chicken,soy, even accents of vitamin rich veggies. Its calorie smart and tastes so good. Beneful healthy weight from purina. They can see the light of a single candle. Look after them with centrum silver. Multivitamins for your eyes, heart and brain. Centrum silver. For the most amazing parts of you. Centrum silver. This is a map of the pressure points on my feet. I have flat feet. I learned where the stress was at the dr. Scholls foot Mappin