Came home. Tonight, a suspect who may have confessed back then, now under arrest for her murder. Why did it take so long . And from trash to treasure. From baseball cards to audio tapes, could there be a jackpot hidden in your house, too . Good evening. Thank you for joining us on this saturday. Im cecilia vega. We begin with that breaking news in the race for the white house. Five states casting their votes on this super saturday. Three for the democrats. Right there, you see on the map. Four for the republicans. And the preliminary results are just now coming in. Based on our analysis of the vote, abc news projects texas senator ted cruz will win the kansas republican caucuses. And in maine, with fewer than 10 of the votes coming in, cruz leading over frontrunner donald trump, too. The rest of the race is still early to call. Enthusiastic crowds showing up here at a High School Gym in nebraska. And here, lining up early in bowling, green, kentucky, too. Abcs mary bruce starts us off tonight from palm beach, florida. Reporter tonight, as republicans in four states cast their vote, the gop is at war with its own frontrunner. You know, the republicans are eating their own. The republicans are eating their own. They gotta be very careful. Reporter the billionaire businessman slammed in this new takedown from a third party group. The truth about trump university, donald trump made millions, while hardworking americans got scammed. Reporter trump also under fire for flipflopping on torture and immigration. Im changing. Im changing. Reporter all this as the Nastiest Campaign in recent history gets nastier. And with stranger spelling. You have lyin ted cruz. I call him i nicknamed him. Lyin. How would you spell that . Lyin. Little marco is going, well, donald will not win i mean, where i grew up if someone keeps punching people in the face, eventually someone has to stand up and punch them back. Reporter others are trying to turn the page. This process doesnt need to be mean. It doesnt need to be nasty. It doesnt need to be filled with personal insults. And attacks. Reporter sick of all the namecalling, john kasich says he wont go there. Im with harry potter. Were not going to the dark side. Reporter the move to block trump took an ugly turn, as his supporters clashed with protesters at this rally in new orleans. There was a protester right over there. Did you get him out . Reporter and at this caucus site in kansas today, trump got a frosty reception as he took the stage just moments after ted cruz. But will any of this stop trumps rise . And thiss the big question tonight. Mary bruce joins us now from florida ahead of trumps new conference tonight. Mary, lets break it down. How confident is the Trump Campaign about tonights campaign is feeling optimistic. Despite that loss in kansas, theyre looking ahead. Hoping for a big win in the louisiana primary tonight. Later, trump will be right here in florida, hoping to hold what he says will be a victory press conference. Cecilia. Mary bruce leading us off tonight. The heated race across the aisle, Hillary Clinton in detroit today, speaking with africanamerican ministers and Bernie Sanders in cleveland with some tough talk for his rival, both sides today campaigning hard in states that could add some serious numbers to their delegate counts. Abcs david wright has this side of the story. Reporter today in michigan, Hillary Clinton almost got a promotion. Madam president reporter not yet , she corrected. Clinton has almost half the delegates needed to clinch the nomination. Bernie sanders, about onesixth of the way there. Today kansas, nebraska and louisiana weigh in. This line is around the block, down the street. Reporter tomorrow, maine. Three of the four are caucus at this nebraska caucus site today, his supporters outnumbered clintons by nearly 2 to 1. Sanders is still fighting hard for the nomination. And frankly, i have no idea what her position is. She talks in vague terms. Reporter today, sanders unveiled a new fiveminute ad, in spanish, putting a human face on immigration and the need for a living wage. Sanders doesnt even appear in the ad until three minutes in. Clinton has this new ad 500 million solar panels installed in her first term. Reporter the style, more conventional. But the message substantive. The democratic debate seems like a civics class compared to the republican side. It looked like the kind of fights we used to have in recess in the sixth grade. And i would hope that most sixthgraders understand that we dont behave like that. Reporter tomorrow night, the democrats debate in flint, michigan. Of delegates at stake there. After that, florida, illinois and ohio. So clinton and sanders are both looking ahead. Cecilia . David, thank you. Todays votes still coming in. Lets take a look at some of the maps showing the state of the race right now. Hillary clinton taking ten states. Bernie sanders with five. The republican side, donald trump the winner in ten states, ted cruz with five, including todays victory in kansas, marco rubio right there with one. I want to bring in abc news political analyst matthew dowd. Lets talk about today, the gop establishment came down hard on donald trump this week. Mitt romney called him a phony. Ted cruz winning kansas. He had a good day. The interesting thing, they aimed the attack at donald trump. Even marco rubio got involved in that. The beneficiary is an antiestablishment person, ted donald trump is still the dominant. So far tonight, hes having a bad day, rubio on the democratic side, big votes tonight, also. Both sides are looking ahead to florida and to michigan, does the math add up for Bernie Sanders k he at all win this in. His window at the beginning of the month was big. Now its little right now. I think he has the win most of the contests going on today and tomorrow. And then he has the figure out a way to close the gap in michigan. If he can do Hillary Clinton is still likely to win but he has a slight chance if hes able to do all those things. Thank you. We move on to new questions in the murder case that captivated a nation, Los Angeles Police confirming they are examining a knife found buried on o. J. Simpsons former estate. But even if it turns out not to be the missing murder weapon, as abcs matt gutman reports in full force. Reporter sometimes a knife is just a knife. Tonight, Law Enforcement sources telling abc news the mudencrusted folding knife held by a lapd officer for nearly two decades is likely not connected to the o. J. Simpson case. Still, police say theyll continue with dna testing on the knife. We will look at anything that we believe has any validity to either assure people that this investigation was done appropriately. Reporter the blade, investigators believe, is too small to have savagely butchered Nicole Brown Simpson and ron goldman in 1994. A lawyer for george maycott, tells abc news a construction worker handed his client the knife in 2002 or so when he was working security on a movie nearby. Maycott allegedly alerted the lapd about the knife, but was told the case is closed. It wasnt. This is a double homicide ongoing. Reporter the murder weapon has never been found. Police scouring the neighborhood in 1994. We did a search from the rockingham home to the bundy home with 150 people. We searched all the streets, the gutters, the trash, the lawns. Reporter so, the case remains in limbo. On one side, it remains open. On the other investigators tell me, they arrested the only plausible suspect back in 1994 o. J. Simpson and they cant charge him because of double jeopardy. Is cecilia. Thank you. Dangerous weather is pounding the west. Bracing for a series of storms. The rain already falling from washington to central california. And take a look at this, in the bay area, high surf and flash flood watches. Car spinning out on the rainslick roads. Homeowners now laying down sandbags. The worst is yet to come. Abc meteorologist Indra Petersons is here. You were telling me its going francisco area, powerful storm making its way in this evening. Potentially four to six inches of rain. Like a fire hose pointing at the west coast. Mud slides or even an isolated tornado not out of the question. It will make a pattern shift. Cooling in the west, warming if the east. Washington, d. C. , a few days from 70s. Right along that river, could see heavy amount of rains. Such a contrast in temperatures out there. Indra, thank you. We turn to washington now, and new details coming in the case of that gyrocopter. You remember the video. Prosecutors now say, he was just seconds away from colliding with a delta flight that had just taken off. Hughes was convicted and he now faces ten months behind bars. We turn next to the faceoff between the fbi and the apple. A new voice now weighing in. Tonight, the District Attorney of san belonging to one of the attackers could lead investigators to a possible third gunman. Abcs lauren lyster. Reporter tonight, that controversial locked phone found in this shotup suv back in the spotlight. The device used by two terrorists who killed 14 people in San Bernardino at the center of a fierce battle between federal government and apple, who refuses to unlock the phone. Now, the local d. A. Is suggesting there could be evidence of a longrumored third attacker on that phone. Do you believe there is a third assailant out there . I dont know if i believe it, but id like to make sure there isnt. Reporter in a new court brief, d. A. Mike ramos, pressing apple to unlock farooks iphone, arguing although the reports of the three individuals were not corroborated, the information contained solely on the seized iphone could provide evidence to identify as of yet unknown the fbi, local Law Enforcement have questioned the theory of a third gunman. Tonight, apple stands by its decision not to attempt to unlock that phone. Apple ceo tim cook speaking exclusively with abcs david muir last week. This is also about public safety. Thats exactly right. Because if the government could order apple to create such a piece of software it could be ordered for anyone else as well. Reporter in addition to the Court Documents filed by the d. A. , another brief filed on behalf of six families was also filed. Urging apple to find a way to break into that phone. Cecilia. Lauren, thank you. We turn next to that brazen gold heist, new details emerging tonight, sounding like a plot straight out of a hollywood blockbuster and as abcs Gloria Riviera reports, the fbi closing in on the thieves. These guys came and robbed reporter 4. 8 million worth of gold bars after robbing an Armored Transport truck in North Carolina last march. The alleged ring leader, perez, arrested this week on robbery and firearm charges. Perez lawyer denying those allegations to abc news. The fbi says these two men are believed to be his accomplices. Tonight, the man in the hoodie is still on the run. Abc news has learned that the second man is in jail on separate charges. The highstakes heist unraveled thanks to a confidential informant, according to newly released Court Documents. The informant detailing the James Bondlike tactics the men used allegedly installing a gps tracker on the truck, and somehow remotely triggering pepper spray inside the vehicle. The driver and passenger suddenly began to feel sick, forced to pull over. Their hands are ziptied around their backs. Reporter the robbers, waiting, tying their arms and ransacking the truck. So far, authorities have only recovered one gold bar. New york. Still ahead on world news tonight the major break in a cold case nearly four decades old. The suspect right in front of police all along. So, did investigators miss the clues . And pencils down, students. New s. A. T. Kids across the country are tackling this weekend. Keep an erection. Talk to your doctor about viagra. Ask your doctor if your heart is healthy enough for sex. Do not take viagra if you take nitrates for chest pain or adempas for pulmonary hypertension. Your Blood Pressure could drop to an unsafe level. To avoid longterm injury, seek immediate medical help for an erection lasting more than four hours. Stop taking viagra and call your doctor right away if you experience a sudden decrease or loss in vision or hearing. 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The arrest sparking many questions tonight, especially from the victims family. Theyre asking, what took so long . Heres abcs ron claiborne. Reporter tonight, 36 years after teenager joyce mclain was found dead near her home in maine, police say they have her killer. We are confident that Scott Fournier is the one who murdered reporter the 55yearold suspect was arrested friday. But police would not say evidence allegely ties him to the crime. Joyce disappeared after leaving her family home to go jogging. The 16yearolds body was found on this path. Her skull fractured from a blow to the back of her head. Her mother, pamela, tells abc news tonight, she is relieved. I was angry off and on all through the time it took. I pushed and pushed for different things. I was a mother that wasnt going to give up and yesterday i was glad i was that kind of mother. Reporter amazingly, police had questioned fournier 22 times over the years. He even allegedly confessed to the slaying, only to recant later. One of the reasons the case has progressed slowly is we had to work through what he told us at various times. Reporter according to an affidavit, in the past fournier admitted killing joyce to police, his minister and his at times he blamed others. Nearly four decades joyce mclain waved goodbye to her mother for the last time, police say they have solved this murder mystery. Fournier is due in court monday morning. And when we come back orange is the new outrage. The controversial fruit yanked off store shelves at whole foods. I have never seen that one. A lot of laughing. The nickname that you might be able to guess just by looking at him or her. Were not so sure. Why pause to take a pill . Or stop to find a bathroom . Cialis for daily use is approved to treat both erectile dysfunction and the urinary symptoms of bph, like needing to go frequently, day or night. 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