Megastars surprise release, including intimate videos and the empowering message for women. Good evening. Thanks for joining us on this sunday. Im tom llamas. We begin with the prom night terror in wisconsin. On one of the biggest nights of their lives, a gunman opening fire with a highpowered rifle. Two teenagers wounded leaving the dance. The 18yearold gunman seen here, with ties to the school. A Police Officer assigned to the prom taking him down. Officials saying he prevented a disaster of unimaginable proportions. Heres marci gonzalez. Reporter tonight, a Wisconsin Community reeling after a gunman opened fire outside their high school prom. The dance just about to end saturday night when bullets started flying. Police say 18yearold jakob wagner, armed with a high powered rifle and a large ammunition clip, took aim, shooting a couple as they left the dance. A young man was hit in the leg. His date, grazed by a bullet. Students still inside forced to take cover. We stayed there for about an hour. I was in disbelief about the whole thing. Reporter Police Say Officers patrolling the dance heard the shots and rushed over. Stopping him, before anyone else was hurt. Tonight, School Officials praising those quickthinking officers who they say prevented a disaster of unimaginable proportions. Just kind of dealing with the situation we have right now. I think, a lot of shock. Tonight, officials searching his familys home, looking for clues that could point to a motive. School officials tell us wagner graduated from Antigo High School last year. And still volunteered in art classes at the school. His grandfather saying his grandson was bullied for years. The student shot in the leg had surgery this afternoon. His date is home from the hospital tonight. Tom . Thank you. Now to ohio. New details revealed about the murders of eight family members. Police, with a New Discovery at three of the crime scenes. A businessman now offering a 25,000 reward. For investigation leading to the killers arrest. Alex perez is in ohio with the latest on the investigation. Reporter with the clock ticking, tonight authorities are making a plea to the public for tips to track down a cold blooded killer. Investigators working round the clock, but so far no arrests. Police revealing that 3 of the 4 crime scenes had marijuana grow operations. But no word on whether theyre linked to the murders. The people who did this did not want to be detected. This is not a spur of the moment murder. Reporter today, at sunday services, family and friends paying tribute to loved ones lost in the slayings. No one would have ever thought that would have happened to them. I need to tell me the address. Just give me a second. We walked in about i think my brotherinlaw is dead. Reporter the massacre unfolding friday near the rural town of peebles, ohio. The chilling 911 calls capturing the horror. Eight members of the same family killed. Its all this stuff thats on the news, i just found my cousin with a gunshot wound. Okay, sir, was he alive . No, no. Reporter the sheriff says more than 100 tips have poured in after the execution style murders. All right, weve got deputies on the way, okay . Thank you. Youre welcome. [ crying ] reporter theres now a 25,000 reward to capture a killer considered armed and dangerous. There is someone that has a piece of this puzzle we dont have. Someone knows something. Reporter and until investigators can find out whos responsible for the murders, sheriffs telling family members they should arm themselves to ensure their safety. Tom . Thank you. And to topeka, the officer searching for a suspect on a most wanted list, a fire breaking out at the same time. Burning for more than three hours. Authorities not sure who was shooting at the officers, or how the fire started. All four, expected to recover. Next to the race for president. The next big showdown coming in two days. Donald trump defending his over the top behavior. And polls showing donald trump with doubledigit leads in three of the states voting on tuesday connecticut, maryland, and pennsylvania. Mary bruce with the Trump Campaign tonight. Reporter donald trump back in brawler mode tonight, making an accusation. Cruz is working hard to, i dont want to use the word bribe, but to bribe the delegates. Reporter a republican establishment waiting to see a more president ial trump, still waiting. If i changed and everyone said this is the most president ial candidate since Abraham Lincoln and then we started to lose. Wouldnt that be terrible . We need to be a little bit careful. Reporter just days ago his top strategist was recorded pledging a trump transformation. The part that hes been playing is evolving into the part that youve been expecting, but he wasnt ready for. The negatives will come down, the image is going to change. Reporter but today, doing damage control, he said he never meant trump would change his ways. We were evolving the campaign, not the candidate. Reporter ted cruz says the whole thing is an act. Hes the Harry Houdini engaged in an act of misdirection. Trump is a phony. Reporter and hes slamming trump for going against the republican grain and opposing north carolinas controversial transgender bathroom law painting a bizarre picture. If donald trump dresses up as Hillary Clinton he still cant go to the girls bathroom. Reporter one thing the trump camp says will change, his campaign events. Coming up this week, his first substantive Foreign Policy speech. Tom . Mary, thank you. Lets turn to the democrats now. Hillary clinton hoping to take a big step towards clinching the nomination. Already making plans for a oneonone race, possibly against donald trump. Said to be quietly searching for a running mate. While Bernie Sanders vows to stay in the race until the very end. Heres david wright. Reporter today, Hillary Clinton is already cautiously looking ahead to the general election. If you will vote for me on tuesday, i will stand up and fight for you. Reporter so confident are they of winning, theyve quietly started the process of picking a running mate. Among the names said to be on the early shortlist, hud secretary julian castro, new jersey senator corey booker, ohio senator sherrod brown. As well as at least one woman. But clinton herself says its too early to talk about all that. Im just working hard to win on tuesday. Reporter also Bernie Sanders isnt bowing out just yet. Today in he took a stroll on the campus at yale. Surrounded by screaming fans. Former obama 08 Campaign StrategistDavid Plouffe recently tweeted at sanders that raising money stating you have a path to the nomination is fraud. Plouffe now supports clinton. Thats a preposterous statement by david. Illegal. Theres nothing illegal about raising money from millions of people. Reporter last night, there was this razor sharp comment from a sanders surrogate. Im with Monica Lewinsky with this. Bullying is bad. Reporter actress Rosario Dawson complained clinton loyalists are bullying sanders people online. The candidate himself doesnt go there. Sanders is treading carefully right now. Polls show clinton ahead in all five states voting tuesday and in indiana one week later. So hes focused on getting his message out. Not so much on criticizing Hillary Clinton. Tom . David, thank you. And michelle obama, weighing in on mississippis religious freedom bill. Delivering the commencement address at Jackson State University saturday. She says the march for civil rights isnt just about africanamericans, its about all americans. And now to a massive fire erupting in arkansas. Investigators looking for clues. Huge flames burning through a new apartment complex. The fire sending embers into the air, and on to neighboring homes. Families forced to evacuate. To get out of harms way. Heres aditi roy. Reporter the towering flames of this massive blaze, devouring this apartment complex in phoenix, turning it into a sea of orange. Terrified neighbors, fleeing for their lives. Watch these children climbing over a wall to escape the roaring inferno. That heat. Im a block from it. And youre on fire. Youre hot, hot, hot. Reporter 120 firefighters wrestled the flames. First responders evacuating neighbors, as embers fell from the sky. They were dropping down just where we were standing in the middle of the street. Its scary. Reporter the scorching heat damaging some homes as smoke billowed ominously over a playground. Officials say the complex, still under construction, was in the wood frame stage, helping the fire burn faster. A half mile south of the blaze, carly and j. T. Morrisey were getting married. We went to do our first spin around the dance floor, and thats when i first noticed this big gray plume of smoke. Reporter tonight, investigators digging through the milelong stretch of rubble, looking for what caused this destructive inferno. Aditi roy, abc news, san francisco. Thank you. Severe weather moving across the midwest tonight. In minnesota, houses struck by lightning and burning to the ground. A third home damaged. The family escaping. Tonight, concerns about possible on the tornadoes, hail, and damaging winds. Lets get right to rob marciano. Rob . Over the next week or so, every couple of days, well see a tornado threat. Two watch boxes up tonight. You can see the storms rolling through omaha. No storms reported yet. But big hail, and tornado watch is up until 11 00 p. M. And storms rolling through des moines. And tuesday, much more on a significant threat, more ingredients coming together for tornado risk right in the heart of tornado alley. Potential for large if not violent tornadoes. Could be the most serious threat next week, tom. Rob, thanks so much. Now to the mystery surrounding the death of prince. Family and friends attending a private Memorial Service on saturday. Heres eva pilgrim on the growing question about who inherits his 300 million estate. Reporter tonight, as the world awaits answers into princes mysterious death, questions rising about who will inherit one of the most valuable music estates in the world. No word this hour if he had a will. Prince leaves behind no wife or children. Thank you for loving him, yall. He loved each and every one of you. Reporter the woman with the purple hair, his sister. Who could be first in line to the singers fortune. His estate, estimated at 300 million, growing by the day. His music once again at the top of the charts. The shock of the singers death being felt around the world. Bruce springsteen paying tribute overnight. Opening his show at the Barclays Center in brooklyn with a cover of purple rain. Purple rain purple rain reporter saturday night live honoring prince showing footage of his performance at their 40th anniversary party. And bells atop Minneapolis City Hall playing the superstars songs. And many neighbors lining up, pouring into target field stadium as the celebration of princes life continues. You can tell, hes touched a lot of hearts. Reporter we spoke to lawyers in minneapolis who said, theres no deadline on when to file a will. So, no word on when well learn what will happen to princes fortune. Tom . Some interesting developments. All right, eva, thank you. Still ahead tonight, buyer beware. They may look like the real deal, but theyre not. Why thousands of hover boards were seized by authorities. And how you can spot the bogus boards. And later, the Little Prince already has the royal touch. How his casual attire is setting off a fashion frenzy. Where to buy the pintsized robe, and why you may be disappointed. 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This place is packed with counterfeit hoverboards. Reporter so far, the feds have confiscated nearly 100,000 of these hazardous toys at the border, many imported from china. The u. S. Government says hoverboards cannot be considered safe. They pack not just a thrill, but too often a fiery surprise, because the batteries can overheat, even catch on fire. Thats what happened to the fox family in chicago. Their house badly damaged in a fire when their sons Christmas Present hoverboard went up in flames. All i could think to myself was, theres a good likelihood that were going to lose both of our children today. Reporter in this weeks raid, the Sheriffs Department has brought along an inspector from the Underwriters Laboratory, the trusted testing group, to look for one telltale sign of counterfeits. This mark means that this product has been safety certified. Has been tested. Reporter and has it been . No, it has not. U. L. Has not certified any hoverboards. Reporter so this u. L. Is bogus . Its counterfeit. Its unauthorized. Reporter Underwriters Lab is developing Safety Standards for hoverboards, but nothing currently on the market is approved. And if you see a u. L. Stamp on the box, it doesnt mean the hoverboard is certified. Stay away from it and call authorities. Jim avila, abc news, los angeles. Thank you. When we come back, what sparked these officers to fire off several rounds at this suspect . The new video. And a firefighter responding to a special call. Why he went over the top for this woman. Weve got that thing you know. Diarrhea . Abdominal pain . But we said wed be there. Woap, who makes the decisions around here . Its me. Dont think ill make it. Stomach again. Send if youre living with frequent, unpredictable diarrhea and abdominal pain, you may have Irritable Bowel Syndrome with diarrhea or ibsd a condition that can be really frustrating. Talk to your doctor about new viberzi. A different way to treat ibsd. 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Now to a new york city firefighter with a flair for drama. Check this out. Daring rescue . Not so much. This firefighter, surprising his girlfriend with a proposal. And in that moment she said yes. Good luck topping that one. Still ahead, beyonce, burning up the internet once again. The singer at times changing genres, getting personal. Dropping a surprise onehour video. And the empowering message, and the personal clues shes dropping about her famous marriage. Platinumbased chemotherapy, its not every day something this big comes along. A chance to live longer with. Opdivo, nivolumab. Opdivo is the first and only immunotherapy fda approved based on a Clinical Trial demonstrating longer life. For these patients. In fact, opdivo significantly increased the chance of living longer versus chemotherapy. Opdivo is different. It works with your immune system. Opdivo can cause your immune system to attack normal organs and tissues in your body and affect how they work. This may happen any time during or after treatment has ended, and may become serious and lead to death. See your doctor right away if you experience new or worsening cough; chest pain; shortness of breath; diarrhea; severe stomach pain or tenderness; severe nausea or vomiting; extreme fatigue; constipation; excessive thirst or urine; swollen ankles; loss of appetite; rash; itching; headache; confusion; hallucinations; muscle or joint pain, or flushing as this may keep these problems from becoming more serious. These are not all the possible side effects of opdivo. Tell your doctor about all your medical conditions, including immune system problems, or if youve had an organ transplant, or lung, breathing, or liver problems. A chance to live longer. Ask your doctor if opdivo is right for you. Bristolmyers squibb thanks the patients and physicians who participated in the opdivo Clinical Trial. bear growls burke smash and grub. Seen it. Covered it. 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Tell your doctor if youve been to areas where certain fungal infections are common, and if youve had tb, hepatitis b, are prone to infections, or have flulike symptoms or sores. Dont start humira if you have an infection. Want more proof . Ask your rheumatologist about humira. Humira. This is my body of proof or if youre young or old. Are if you run everyday, no matter who you are a heart attack can happen without warning. If youve had a heart attack, a bayer aspirin regimen can help prevent another one. Be sure to talk to your doctor before you begin an aspirin regimen. Bayer aspirin. Finally tonight, nothing is hotter than beyonces new album. Heres linsey davis. Reporter its the bombshell from beyonce, lighting the internet on fire. Lemonade is billed as every womans journey of selfknowledge and healing. You can taste the dishonesty, its all over your breath reporter but some believe its beyonces own story, of marital problems with husband jayz. Today i regret the night i put that ring on reporter the albums release, an overnight sensation. Hbo streaming the onehour film for free. More than 1. 7 million tweets followed with lemonade. Im just too much for you reporter from fierce moments like this rampage by a woman scorned. To talk of race and gender with a nod to malcom xs famous speech about black women. Call me malcolm x. The most disrespected person in america is the black woman. Reporter the song forward, features the mothers of young black men killed by police and others. Ladies, now lets get in formation reporter building on the message of defiance from her super bowl halftime performance. And while lemonade has lots of sour, what triumphs is a message of empowerment and redemption and love of family. Linsey davis, abc news, new york. Thank you for watching. Gma first thing in the morning, david muir will be right back here tomorrow. Im tom llamas. Good night. Being carried over to the great highway. Specifically were seeing that south of the area has been closed to traffic but before then we saw a car get stuck in a mound of sand in the parking lot along ocean beach. He was stuck for a while but with the help of someone else behind the wheel he was finally able to push it out of the way. Things are supposed to get worse. Winds are supposed to peak this evening with gusts up to 50 milesperhour. Despite the wind there are still people hanging out along the coast. I was born and raised here, and it almost to go to the beach and check it out but this is nuts. Its wicked. Dont know why its so aggressive today. And pacifica, the winds have already brought