With scott pelley. Pelley all day long, there has been an incredible outpouring of love for prince at his home in minnesota, this following a night of celebrations of his life and music, including an enormous block party thrown by spike lee in brooklyn, new york. Prince had millions of fans all around the world, but ironically, he died alone. That was one of the revelations today about his sudden and stillunexplained death yesterday at the age of 57. Dean reynolds has the latest on the investigation. Reporter a van pulled away from the medical Examiners Office this afternoon, returning the poddy of prince Rogers Nelson to his fam low. Carvey county sheriff jim olson spoke for many in this community. This is a tragedy for all of us. To you, prince Rogers Nelson was a celebrity. To us, hes a Community Member and a good neighbor. Reporter an autopsy and toxicology tests took place earlier today, but the results wont be known for a while. What is known is that prince was dropped off by friend at 8 00 p. M. On wednesday. When staffers could not reach him hours later on thursday, they went to his 65,000squarefoot home and studio and found him slumped in an elevator on the first floor, alone and unresponsive. A transcript of the 911 calls show it came from an unidentified male at 9 43 a. M. Is there any reason to believe that foul play was involved . We have no reason to believe at this time its a suicide. The rest of it is under investigation. Reporter it is known that prince had Serious Health issues and mystery shrouds a medical emergency that took place a week ago when his charter jet from atlanta to minneapolis was diverted to moline, illinois. After treatment there for what aides said was the flu, prince tweeted, i am transformed. The next night he held a party for 200 at his home and offered the crowd this enigmatic thought. Deborah grant; there was. He was on stage for maybe 10 minute, and then he was done. He sounded kind of frail, you know. He didnt sing or anything. Reporter the sheriff said prince was a very private person, scott. But when i asked him if he was a healthy person, he said he would let the medical examiner talk about that when the time comes. Pelley Dean Reynolds reporting tonight. Dean thank you. Prince was one of the most famous people in the world but his heart belonged to minnesota. Jamie yuccas is there. Reporter posted between the purple balloons and flowers, handwritten messages show just how much prince was loved here. One reads, thanks for the memories. Krista barnes came with a bouquet and her threeyearold son. It was a big deal for minnesota. We love our own. We truly do. And its really sad to see somebody go. Reporter prince Rogers Nelson grew up in a broken home on minneapolis north side raised by two musicians. At 52 he was known as a good player for his High School Basketball team but he realized his love for music and saw a career with no limits. Creating his unique minnesota sound. Dayna frank owns the famous Downtown Minneapolis club, first avenue, considered the launching pad for princes career. Everyone was so proud of him, and i think he gave people a sense of pride where they were from, you know. He shot purple rain here. He recorded here. Minneapolis was very present in his work. Reporter and minnesotans were also proud of how he gave back. He generously gave to dozens of charities, like the minnesota dance theerkt under the condition they would not publicize his gifts. He gave 1. 5 million to an Afterschool Program in new york, but his appreciation for his home town of no secret. You always will live here . Yes. Why . Its so cold it keeps the bad people out gee, i believe that. Reporter the crowds behind me just keep growing by the hour, scott. Thats because paisley park was just such a special place for minnesota music fans. Prince often opened the gates here and would hold impromptu concerts for the public. Pelley jamie yuccas at princes home tonight. Thank you. In another important story tonight, police in southern ohio have a dragnet out for a killer who executed eight members of one family. The murderer hunted down the extended family in several homes in a rural county. Vinita nair is following this. Reporter the motive for the killings remains unclear tonight, but the rhoden family was clearly targeted. Eight of them were killed execution style. Ohio attorney general mike dewine. It would appear all of them were shot in the head. It would appear also that it occurred during the night. We had victims who were in bed. The one mom, apparently, was killed in her bed with the fourdayold right there. Reporter police say the fourdayold survived the shootings, as did a sixmonthold and a threeyearold. All eight were found in four locations just a few miles apart. My phones been burning up. Reporter phil fulton, pastor of the nearby church, described the victims as a woman, her exhusband, and her adult children. Its such a tragic, tragic situation whats happening. And i cant imagine what theyre going through right now. Reporter Pike County Sheriff Charles Reader told residents to remain vigilant. I am telling you they are armed and dangerous if theyre still at large. Reporter scott, tonight, investigators say there is a possibility that the shooter was a member of the family. Pelley much more to come on this story. Vanita, thanks very much. At the united nations, on this, earth day, 175 countries signed whats known as the Paris Agreement on climate change. Its a nonbinding pledge to reduce Greenhouse Gas emission, a promise to future generations. Secretary of state john kerry signed it with his twoyearold granddaughter. The next generation of royals welcomed president obama and the first lady in london today. Thats Prince George on a royal rocking horse. Mr. Obama carried some advice about the future of the united kingdom, and Mark Phillips is there. Reporter this visit was supposed to be about a polite lunch with the queen, but president obama has found himself in the middle of an ugly british political cat fight, now with an undercurrent of racism. The president leapt firmly on to one side, Prime MinisterDavid Camerons side, in the angry referendum debate here on whether britain should stay in or leave the european union. Stay in, he said. Youre better off. And if the side that wants out thinks britain can get its own special quicktrade deal with the u. S. Once it leaves, think again. Its not going to happen any time soon because our focus is in negotiating with a big bloc, the european union, to get a trade agreement done. And u. K. Is going to be in the back of the queue. Reporter president obama says he butted in to the e. U. Debate as a friend, but those who want britain to leave the e. U. , have told him its none of your business, butt out. One big leader in the Campaign Even suggested in the newspaper that the president holds a grudge against the u. K. , because his father was from britishruled kenya. The writer, london mayor boris johnson, is accused of dog whistle racism. Im a fan of i think i was one of the first u. K. Politicians to come out in favor of president obamas candidacy. Reporter still, johnson wrote that president obama had removed a bust of Winston Churchill from the oval office because of his distaste for all things british. Nonsense, says the president. Theres another churchill bust upstairs. I love Winston Churchill. I love the guy. Reporter the referendum vote isnt until late june. Right now, scott, its too close to call. Pelley Mark Phillips, our man in london tonight, mark, thank you. Today, Donald Trumps new Campaign Manager is telling republicans theyre about to be introduced to a new trump, trump 2. 0, were told, has depth. Heres Major Garrett. Reporter paul manafort, Donald Trumps new campaign chief, told members of the Republican Committee gathered in florida that the frontrunner has been putting on an act, something trump himself hinted at today. If i was totally president ial, we have 10,000 people here, or something, id have about 300 and youd be falling asleep after 20 minutes, okay. Reporter it was a message designed to ease the fears of republican delegates like new hampshires vladimir duthiers. They understand that a general election is very different. They have to talk substantive policy, and you have to speak to a general audience in a different way than you have in a primary. Reporter ted cruz said the comments prove trump has been lying all along. These are their words, that all of this is just a show, that he doesnt believe anything hes saying. Hes just trying to fool gullible voters. Reporter Trump Supporters understood why the candidate has been so brash. He had to do what he had to do. You had 17 people up there debating and he put them all down. He was the man. Sometimes you gotta call the baby ugly if its ugly, you know. You can only put lipstick on a pig so many times. Reporter but some republican delegates remain concerned that trumps divisive chaos could lead to chaos at a possible contested convention this summer. R. N. C. Chairman reince priebus. How concerned are you about unity for the party. It feels a ways away for me to get nervous right now so i take one day at a time and one issue at a time. Reporter several delegates told us trump should have come here to make his case personally, like cruz and john kasich did. Scott, as for trumps many layered criticisms of party nominating rules, they left many delegation here steamed and priebus called them science fiction. Pelley Major Garrett in florida with the republicans, thank you. We told you about this program weeks ago. Now Fiat Chrysler is recalling more than a million jeeps, dodges, and chryslers worldwide because drivers cant tell when theyre in park. The Gear Shifters have been confusing some drivers whose cars have rolled away. More than 40 people have been hurt. We posted a list of the vehicles being recalled on our web site, cbsnews. Com. Still ahead, Anthony Mason on princes place in music history. And dr. Jon lapook on the front line of americas zika battle when the cbs evening news continues. Dont let dust and allergies get and lifes beautiful moments. With flonase allergy relief, they wont. Most allergy pills only control one inflammatory substance. Flonase controls six. And six is greater than one. Flonase changes everything. My Psoriatic Arthritis im caused joint pain. O golfer. Just like my moderate to severe rheumatoid arthritis. And i was worried about joint damage. My doctor said joint pain from ra can be a sign of existing joint damage that could only get worse. 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Has a turntable so this morning we played purple rain and delirious, just to get warmed up, before we left the house for important bilateral meetings like this. Pelley president obama in london today, one of the many fans of prince. Anthony mason, who covers all things music for us, was anoth another, and we asked anthony to tell us about the prince legacy. I just want your extra time and your kiss reporter beyond his dozens of hit songs, prince was a pioneer in the music industry. As he said in his rock and hole hall of fame acceptance speech, for him, music was about freedom. A freedom to produce, freedom to play all the instruments on my records, freedom to say anything i wanted to. Reporter and the freedom to release it when he wanted to. When his label tried to hold him back, prince rebelled, changing his name to an unpronouncable symbol, and performing with the word slave scrawled across his cheek. Prince Rogers Nelson learned to stand up for himself when he was bullied as a boy growing up in minneapolis. Early in my career, i tried to compensate for that by being as flashy as i could and as noisy as i could. Reporter on the tavis smiley show yet in 2009, prince who rarely talked about his childhood, talked about his father. My father, he was so hard on me. Reporter john nels ofns a pianist who led the prince rogers jazz band which gave prince his name. I taught myself music. My father left his piano at the house when he left, and i wasnt allowed to play it when he was there, because i wasnt as good as him. So when he left, i was determined to get as good as him. Reporter he became a virtuoso on the keyboards, the guitar, and drums, playing all 27 instruments on his debut album. Michael jackson would sell more records, but for a time, prince with his vick wicedly flur taceous charisma, was the only one who could rival the king of pops stage presence. I embarked on a journey more fascinating than i could ever have imagined, prince once said. Those who went along for the funky ride never imagined it would end so soon. Elton john called him the greatest performer he has ever seen. A former manager said you cant be both Michael Jackson and miles davis. In a way, scott, he was both. Psst. Hey. Where you going . 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. Viberzi is a Prescription Medication you take every day that helps proactively manage both diarrhea and abdominal pain at the same time. So you stay ahead of your symptoms. 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Life as a nonsmoker is a whole lot of fun. Ask your doctor if chantix is right for you. Pelley today, our dr. Jon lapook spoke at a Global Health conference in houston, warning about the growing threat of zika virus in the u. S. He also checked in with the troops on the front line. Reporter a team of mosquito hunters has set traps throughout houston neighborhoods. They take them back to a lab where they freeze the insects, sort them, and grind them up for testing, looking for viruses like west nile, dengue if you guys would follow me in here, ill show you. Reporter and now zika. So far, theres no evidence mosquitoes in the United States are infected with zika virus, but Scientists Say its almost inevitable. The flooding in houston this past week meensz an explosion of potential breeding sites. It just rained a couple hours ago and i can see there are some puddles of water inside the tires there. Reporter jon, this is aedes aegypti heaven right here. Reporter Infectious Diseases expert dr. Peter hotez says protecting vulnerable neighborhoods is critical for disease prevention. For aedes aegypti, theyre so intimately linked with human habitats that they have evolved to breed in tires and plastic containers and those are what have to be removed. The three drvments are drain, dress, and deet. Reporter dr. David persse directing disease preparation services. The one misconception im hearing is its not really you know, its not going to be a problem. Certainly for the families of the children born with microcephaly, its going to be devastating. Reporter the sentiment at todays conference was there simply are not enough resources to fight zika in the United States adequately. And, scott, this is especially trouble, given that mosquito season is just around the corner. Pelley dr. Jon lapook in houston tonight. Jon, thank you. Weve learned tonight that federal investigators are searching in at least three states for more than 500 pounds of explosives that were stolen from a Freight Train this week. The explosives were packed into at least 32 cases and were on a c. S. X. Train traveling through ohio. Steve hartman takes us to an unusual job interview. On the road is next. Its easy to love your laxative when that lax loves your body back. Only miralax hydrates, eases and softens to unblock naturally, so you have peace of mind from start to finish. Love your laxative. Miralax. This clean was like pow can a toothpaste do everything well . It added this other level of clean to it. It just kinda like. Wiped everything clean. 6x cleaning my teeth are glowing. They are so white. 6x whitening i actually really like the 2 steps. Step 1, cleans step 2, whitens. Every time i use this together, it felt like. Leaving the dentist office. Crest hd. 6x cleaning, 6x whitening i would switch to crest hd over what i was using before. Everhas a number. Olicy but not every Insurance Company understands the life behind it. For those whove served and the families that have supported them, we offer our best service in return. Usaa. We know what it means to serve. Get an insurance quote and see why 92 of our members plan to stay for life. With a new twist on an old fable, a challenge to walk with, not race against, a tortoise. Heres Steve Hartman on the road. Reporter new yorkers like to brag that theyve seen it all, but in central park, theres one thing that still turns heads, makes cowards stop in their tracks, while the brave inch closer. What is that . Reporter his name is henry, and meas an african tortoise. Theres something very zen about him. Yeah. Where people just slow down and relax. Reporter he belongs to amanda green. Amandas had him a couple years now, but lately shes been feeling guilty that she cant bring him to the park as often as she would like. So i wanted to hire a walker, just look a person with a dog would hire a dog walker. Reporter a tortoise walker. Uhhuh, yeah. Reporter she posted this ad on craigslist, in search of a responsible animal lover. No tortoise experience necessary. The response . I have a love for animals, especially rep tiles. I find anything that cant regulate its own body temperature endaerg. Reporter amanda said he was hoping maybe two or three people would apply but instead she got nearly 400 emails, from as far away as australia. And its not a fulltime job. No, its not. Its, like, six hours a week. Reporter is that one trip to the park and back . No, he strolls to the park in a stroller reporter wait, what do you mean a stroller . I have a stroller for him to get him to the park. Reporter now thats an ugly baby. Amanda cezanne the hardest part of the job is controlling the paparazzi, but the applicants were not dissuaded. Im currently taking care of an 11yearold boy. I know what its like to look after something. Whats your favorite animal . Reporter earlier this week, amanda narrowed it down to four. Red pandas. Reporter make that three, eventually settling on a parttime pet store worker named amalia. She starts next week. Is it going to be hard that first time you see him walk away ever so slowly . Im not going to get a nannycam, but reporter if you do, can we do a followup . Yes reporter should be rivetting. Steve hartman, on the road, in new york. Pelley thats the cbs evening news for tonight. For all of us at cbs news all around the world, im scott pelley, and ill see you sunday on 60 minutes. Good night. Captioning sponsored by cbs captioned by Media Access Group at wgbh access. Wgbh. Org joe sestak supports a plan that the new york timesfactreported makes cuts to Social Security benefits. And the plan raises the retirement age. Its true. The a. A. R. P. Opposed the plan, citing dramatic cuts to medicare benefits. The plan sestak supports means higher outofpocket costs for millions on medicare. Any way you spin it, the truth about sestak is gonna hurt. Women vote is responsible for the content of this advertising. What really killed prince. We are at the scene of his shocking death. The autopsy today when an inside source is telling e. T. About his Prescription Drug problem. The story you havent heard about the music icon from those that knew him best. Have you thought about having the time to say goodbye. His lovers, sheila e. , Kim Baysinger and Carmen Electra in tears. I just wanted to tell him that i love him. Plus the musicians he mentored. He helped fulfill so many moments. There will never be another prince. Only were with mariah carey fighting back tears on stage