with scott pelley. >> o'donnell: good evening. scott is off tonight. i'm norah o'donnell. today, we heard chilling accounts of the terror in an orlando nightclub. the orange county sheriff's office released recordings of frantic calls to 911 on that june night when a gunman opened fire, killing 49 people. it was the deadliest mass shooting in u.s. history. mark strassmann, who covered the massacre, has the just-released audio. . ( gunfire ) >> reporter: at 2:03 a.m., 911 callers began reporting a massacre in progress. . >> let's go! >> right here! >> reporter: right after last call, a gunman with a . >> he's coming in. >> reporter: this is the first release of 911 recordings from people who were actually inside the club when the massacre began. let's go! >> reporter: police body camera video shows the chaos as first responders arrived. 911 calls also kept coming, some from relatives of people still trapped inside. as they hid in bathrooms, like those in this cell phone video, they texted or called their families, who then called 911. die, including the mass killer, omar mateen. around 5:00 a.m., after a three- hour standoff, the 29-year-old former security guard was shot eight times by police. orlando police have yet to release their batch of 911 calls about the nightclub shootings. among them, norah, several recordings from the gunman himself, who called 911 from allegiance to isis. >> o'donnell: mark strassmann, thank you. tonight, a hurricane watch is up on florida's gulf coast from tampa to panama city as a powerful storm churns toward land. a second storm in the atlantic is threatening north carolina. omar villafranca is in clearwater, florida tonight. omar? >> reporter: the tropical depression coming towards florida's west coast, is expected to turn into a storm between 5-10 inches of rain. this afternoon there were 1,000 sandbags that were scooped up by residents living in flood-prone areas. the storm system curved around the southern tip of the state, turned northeast, and will hit the western coast early thursday, then it's expected to track northeast across florida. there's also a tropical storm warning on part of the north carolina coast because of another system that's expected to brush against the outer banks, but, norah, that storm is expected to turn towards the >> o'donnell: all right, omar there in clearwater, thank you. and tonight, a hurricane warning is posted for hawaii's big island. madeline, a category-three storm, is expected to pass just south of the island early thursday morning. and today, a bizarre scene in los angeles as police surrounded the home of grammy award-winning singer chris brown after a woman called 911 from outside the house. brown has a history of violence. carter evans reports, before brown let the police in, he >> when you get the warrant, whatever you need to do, you can walk right up in here and you're going to see nothing, you idiots. >> reporter: chris brown taunted police on social media from inside his home this morning while they surrounded outside. >> have you seen my house? i'm going to barricade myself in the palace. i'm not coming out. for what? >> reporter: investigators were following up on a call for help that a woman made from brown's home around 3:00 a.m. this afternoon former beauty contestant baylee curran told t.m.z. she was partying at brown's house, and called 911 when he got aggressive. . >> reporter: police served a search warrant on brown's home this afternoon. l.a.p.d. lieutenant chris ramirez says investigators questioned everyone who was there, including brown, who eventually came outside to speak with police. can you confirm that he put a gun to a woman's face? time. >> reporter: the multi-platinum pop artist, whose dancing has often drawn comparisons to michael jackson, has had six number one albums and numerous run-ins with the law. >> i'm truly, truly sorry. >> reporter: he spent six years on probation after pleading guilty to beating his then- girlfriend, singer rihanna, in 2009. brown has since been charged with aau punching his manager in the face. but on social media today, brown said he gets a bad rap. >> what i do care about is y'all defacing my name as a person, and my character and integrity. >> reporter: this has all created a lot of commotion, as you can imagine. in brown's neighborhood as paparazzi and even some fans stop by and try to catch a glimpse. but right now police say they are still securing the scene and documenting evidence. >> o'donnell: now to news that could be a blow to isis. adnani, was killed in an airstrike in syria. david martin has more. >> reporter: the reports of al- adnani's death surfaced shortly after an american airstrike attempted to kill him this morning near the syrian city of aleppo. u.s. intelligence is still trying to determine if the man who had become the public face and voice of isis, is in fact dead. as chief spokesman and director of external operations for isis, adnani had publicly called for lone wolf attacks ag westerners, singling out what he called the "filthy french," but including any citizen of any country fighting isis. he urged followers to "smash his head with a rock or slaughter him with a knife or run him over with your car." the u.s. was offering a $5 million reward for information leading to his capture or death. if he was killed, isis has lost one of its most important leaders, but the real measure of end to isis-inspired attacks against the west. norah? >> o'donnell: david martin at the pentagon, thank you. now to the presidential campaign-- race has once again become an issue after a supporter of donald trump posted and apologized for a tweet he now acknowledges was offensive. here's major garrett. >> reporter: donald trump's surrogate and adviser pastor mark burns called this tweeted cartoon of hillary clinton in black face a mistake and told us the backlash took him by surprise. >> i did not think it was going to be this big of a deal because, you know, there are so many more things that are-- that are more offensive than a cartoon. >> reporter: the episode set social media afire, and again raised questions about the trump campaign's approach to race and minority outreach. after first defending the cartoon, burns told us it was out of bounds. >> i regret the offensiveness of the black face. the black face is very offensive. >> reporter: among trump supporters, burns is cheered as a harsh critic of clinton and a welcome african american counter-point to the black lives matter movement. >> under donald trump, all lives matter! >> reporter: he helped organize a trump visit to an african american church on saturday in detroit. charges of racial insensitivity are nothing new to trump's campaign. they reached a fever pitch when trump said an american-born federal judge could not fairly oversee a fraud case brought of the judge's mexican heritage. another racial complication-- david duke. the former ku klux klan grand wizard and frequent political candidate used a robocall to associate his long-shot u.s. senate campaign with trump. . >> reporter: trump's campaign disavowed duke's campaign gimmick. norah, here in phoenix tomorrow, trump will deliver a speak on immigration policy. details on deportation. after days of wobbly words, these same advisers also insist trump will promise to carry out mass deportations. >> o'donnell: all right, we will see. major garrett, thank you so much. and trump is turning up the heat on hillary clinton to hold a news conference. nancy cordes has that story. >> reporter: as clinton courted donors in the exclusive hamptons today, the trump campaign blasted out what has become a daily update, hiding hillary day 269. months since clinton's last full-fledged press conference, a gap that has not gone unnoticed by the press or trump himself. >> no press conference in, what, 255 days, or something like that. >> reporter: clinton has given no reason for the delay. >> is that something you're going to remedy soon? >> oh, i'm sure we will. >> reporter: nor have her top aides. >> we'll have a press conference when we want to have a press conference. there's no problem with that. >> the real question here is whether secretary clinton has reporters, which she absolutely has. >> reporter: unless those reporters are the ones who cover her every day. >> thank you. >> madam, secretary, do you have time-- . >> reporter: their shouted questions tend to do unanswered. it's not unusual for candidates in the lead to try to run out the clock. in late 2008, then-senator obama drew flak for ducking his traveling press but speaking to "extra:" >> senator, nice to see you. >> reporter: and "the daily show:" >> are you concerned that you ma ( laughter ) >> i won't know what to do. >> your white half will all of a sudden decide, "i can't do this!" >> yeah, it's a problem. >> reporter: clinton may also be trying to avoid uncomfortable questions about her e-mails and the clinton foundation. even she acknowledged in one of two interviews last week, that her answers on those topics, norah, can end up sounding sometimes like excuses. >> o'donnell: nancy cordes, thank you so much. some primary elections of note, in florida, marco rubio and debbie wasserman schultz are being challenged for renomination. so is republican senator john mccain in arizona. and there is word hackers may be trying to disrupt u.s. elections. jeff pegues reports the f.b.i. is warning state officials to boost security. >> reporter: the f.b.i. alert dated august 18 says cyber criminals gained access to the election web sites of two states. those states were arizona and in illinois, the information of about 90,000 voters was breached with a majority of the data exfiltration occurring in mid- july. officials there say hackers may have downloaded the names, date of birth, drivers license numbers and partial social security numbers of voters. >> someone did finally get in. >> reporter: ken menzel, the general counsel of the illinois board of elections, says the attack will not affect the november election. >> we're highly confident that altered or added, and even had they been so, the system we have in place would have corrected that. >> reporter: investigators tell cbs news that the hack appears to be connected to the russian government. just last month, u.s. officials tied russia to a hack at several democratic organizations, including the democratic national committee. in a letter to f.b.i. director james comey, senate minority leader harry reid said he was concerned about the threat of in our presidential election and attempting to falsify official election results. today, f.b.i. director james comey did not assign blame but did lay down a warning about the hacking. >> we take very seriously any effort by any actor, including nation states, to influence the conduct of affairs in our country, whether that's an election or something else. >> reporter: a government got a "late start" protecting election systems from a cyber attack. as for the motive, norah, experts see this latest intrusion as another way for russia to thumb its nose at the u.s. >> o'donnell: jeff pegues, thank you so much. coming up next on the "cbs evening news," federal regulators want to limit the speed of big rigs. not everyone is happy with the allergies distracting you? 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>> reporter: transportation secretary anthony foxx: >> i do think the fundamental point that the rule is making is absolutely right, which is that there are technologies that are going to help us keep our speeds in moderation, and that is going to be overall better for safety. >> reporter: the proposed rule can still be modified before it becomes final. starting in 2009, ontario, canada required big rigs to have limiters set at 65 miles per hour. technology with a 24% drop in fatalities in the first year. kris van cleave, cbs news, washington. >> o'donnell: still ahead, pro football didn't work out for tim tebow, so he takes a swing at baseball. baseball. l. but that doesn't stop my afib from leaving me at a higher risk of stroke. that'd be devastating. i took warfarin for over 15 years until i learned more about once-daily xarelto... a latest generation blood thinner. then i made the switch. xarelto? significantly lowers the risk of stroke in people with afib not caused by a heart valve problem. it has similar effectiveness to warfarin. warfarin interferes with vitamin k of your body's natural clotting function. for people with afib currently well managed on warfarin, there is limited information on how xarelto and warfarin compare in reducing the risk of stroke. like all blood thinners, don't stop taking xarelto without talking to your doctor, as this may increase your risk of a blood clot or stroke. while taking you may bruise more easily, and it may take longer for bleeding to stop. xarelto may increase your risk of bleeding if you take certain medicines. xarelto can cause serious, and in rare cases fatal bleeding. unusual bruising or tingling. if you have had spinal anesthesia while on xarelto watch for back pain or any nerve or muscle related signs or symptoms. do not take xarelto if you have an artificial heart valve or abnormal bleeding. tell your doctor before all planned medical or dental procedures. before starting xarelto tell your doctor about any conditions, such as kidney, liver or bleeding problems. to help protect yourself from a stroke, ask your doctor about xarelto. there's more to know. quirrel from voya. we're putting away acorns. you know, to show the importance of saving for the future. so you're sort of like a spokes person? more of a spokes metaphor. get organized at voya.com. man, my feet are killin' me. same time tomorrow, fellas!? dr. scholl's massaging gel work insoles absorb a hard day on your feet for comfort that keeps you feeling more energized. dude's got skills. >> o'donnell: today, florida's health department reported three new zika infections apparently transmited by mosquitoes. there are now 46 of these cases, all traced to two miami neighborhoods. zika can cause severe birth defects. the european union today ordered apple to pay ireland $14.5 billion in back taxes. the e.u. claims ireland violated the rules by giving apple huge tax breaks for basing its european operations there. apple vows to fight the order. in the "the natural," roy hobbs becomes a major leaguer more than 15 years after starring in high school. tim tebow is trying to do today, the former football star showed off his baseball skills for scouts in los angeles. tebow last played the game as a high school junior back in 2004. he did hit a few because over the fence, but they say a baseball career for him is still a long shot. coming up next, a judge's life- >> o'donnell: we end tonight's broadcast with a decision by a judge, a decision that saved the life of a colleague. here's jericka duncan. >> hello! >> reporter: each embrace for 46-year-old judge derek mosley is a reminder of how lucky he is to be alive. >> so good to be back. >> all rise! said his kidney was functioning at only 2% and without a transplant he could die. what did the doctors tell you in terms of the likelihood of you getting a kidney soon? >> yes, well, soon-- soon was five to six years. >> reporter: patient demand outpaces kidney donors nearly three to one, and with african americans making up more than 30% of the waiting list, a match for mosley would be hard to find, or so he thought. >> you know, then it was a no- braine >> reporter: fellow judge, 58-year-old joanne eiring decided she would donate one of hers. doctors said the older, white, half his size woman was a perfect match. >> i had joked to the doctors, "don't be fooled by my size. i have big feet, big bones, i i'm pretty sure i have big organs." >> it was a huge kidney. >> reporter: the successful surgery was performed last >> "take good care of me." >> oh! i don't feel like i'm a hero. i feel like this is who i am and this is how i was brought up. >> we all get caught up in the fact that some people don't associate with other people because of their race or what have you. but, you know, when it comes down to it, inside, we're all the same, you know-- one heart, two lungs, two kidneys. that's what this country is supposed to be. that's a diversity that makes us great and i just think people need to embrace that more. >> reporter: and perhaps judge each other less. jericka duncan, cbs news, milwaukee. >> o'donnell: that's what you might call an open-and-shut case of true friendship. and that's what we called the "cbs evening news." for scott pelley, i'm norah o'donnell. for those of us who like to get up early, i'll see you first thing tomorrow on "cbs this morning," good night. captioning sponsored by cbs captioned by media access group at wgbh is an investigation into a deadly dog attack in jefferson county. why did two pitbulls kill a woman they knew well? the animals were euthanized in the past half hour. >> thanks for being with us tonight. melisa garcia is live in the foothills anima where the animals were taken. you have new developments >> reporter: we do. the dogs just here within the last hour have been put down at this facility. authorities say richard shaw was issued a warning citation back in 2008 after a neighbor reported that those dogs had gotten loose and were acting aggressively. and authorities also say that he agreed to have them put down here at this facility after they