Captioning sponsored by cbs this is the cbs evening news with scott pelley. Good evening. Scott is on assignment. Im josh elliot. History was made today when the Defense Department lifted one of the last bans on service in the armed forces. Transgender people will now be allowed to serve openly, and they will be eligible for any medically necessary care, including surgery. David martin is at the pentagon tonight. Reporter transgender people were the last Service Members who could be kicked out not for something but they had done but simply because of who they were. Defense secretary carter ended that today. Effective immediately Transgender Americans may serve openly, and they can no longer be discharged or otherwise separated from the military just for being transgender. Reporter estimates of the number of transgender people in the military range from a he of 4,000 to a high of 11,000 out of a total force of 2 million. Army reserve captain sage fox found her career put on hold after she changed genders, even though she says it made her a better officer. Transitioning has allowed me to be better as a leader. I have gotten rid of the distraction of worrying about concealing who i really was. Reporter fox had to rely on private insurance to cover her surgery, but from now on, the military will cover the cost of sex change operations approved by a doctor. Our doctors will treat them and give them medically necessary treatment according to the protocols. Reporter once the Service Member switches gender, they would also switch to the barrack, bathrooms and showers used by their new gender. The decision comes after a year study during which secretary carter personally met with transgender Service Members. They are deployed all over the world serving on aircraft, submarines, Forward Operating bases and right here in the pentagon. Reporter the u. S. Military is not a world leader when it comes to treating transgender Service Members equally. 18 other countries already allow them to serve openly. Josh . I want to ask you about the defense discipline over the january incidents in which crew members were captured by iran in the persian gulf. What can you tell us . Reporter well, nine people ranging from commanders ashore down to the sailors who actually steered the boat have been singled out for disciplinary action. The investigation uncovered a litany of poor leadership, broken equipment and bad decisions. Because of engine trouble, the two boats left kuwait four hours late and took a shortcut to make up the time. Their new course ran through iranian territorial waters. One of the boats broke down again, and thats when the revolutionary guard captured the crews at gunpoint and put them on display. While they were being held, some of the sailors talked too much, violating the servicemans code of conduct. The navy now plans to use this as a case study in all the things that can go wrong in even the simplest military operation. Josh . Elliott david martin at the pentagon tonight for us. Thank you. Today a military base outside washington was locked down after someone reported seeing a gunman. This happened at roughly the time a security drill was to begin. For a while it wasnt clear what was real and what was part of the test. Heres kris van cleave. [siren sounding] reporter confusion and miscommunication over a possible gunman near the Malcolm Grow Medical Center prompted the lockdown of joint base andrews outside the Nations Capital for nearly two hours starting around 9 00 a. M. When the base tweeted, it is currently on lockdown due to a report of an active shooter. All personnel are directed to shelter in place. As officers and dogs cleared the hospital, those inside streamed out of the building with arms raised, prompting extensive live media coverage. Brad jordan works on andrews. Its what appeared to be a very real and dire situation. Reporter word of the scare at andrew, home of air force one, surprised Homeland Security secretary jeh johnson, who was testifying before congress. We do have, as reflected on the news, an unfolding situation at andrews air base, which may require that i take a break from this session. Reporter the base had planned what it described as a nonotice active Shooter Drill just two days after the attack in turkey. At about the time the exercise began a report of a gunman was called in from the medical facility on the other side of the base. A statement posted on twitter explained there was misidentification of the Security ForcesEmergency Services team who were conducting a routine inspection of the facility. Secretary of defense ash carter. I thought the response was strong and solid. So thats the good news. The bad news is it appears to have been a mistake and we like to reduce the numbers of mistakes made in this way, no question about it. Reporter joint base andrews, the primary point of departure for the president and other dignitaries, josh, Vice President joe biden delayed his departure for ohio today because of this scare. Kris van cleave for us, thank you. Meanwhile new york turkey, the death toll from tuesdays airport attack rose to 44 today. We also got a closeup look at the three suicide bombers and learned their nationalities. Holly williams is in istanbul. Reporter the terror inside istanbuls main airport is captured by this newly released Security Camera video. People running for their lives as one of the armed attackers moved through the departures area, apparently searching for victims. And this photo shows the three suicide bombers arriving at the airport according to turk irk media, just before beginning their killing spree. One of them is thought to have been a russian citizen from the north caucuses region, the two others from uzbekistan and kyrgyzstan. [gunfire] its estimated that several thousand fighters from russia and former soviet republics, including chechnya, have joined isis. Just three attackers are believed to have rented this apartment in a workingclass istanbul neighborhood last month. Turkish police raided it yesterday morning. Erdal simsek is the local plumber and told us that when one of the men asked him to fix a leaking tap two days ago, he noticed a strange odor in the apartment. I asked the man what it was, he told us, but he just waved me away. Explosives experts believe it might have been a chemical precursor used in suicide vests. More raids today rounded up 22 individuals suspected of providing financial and logistical help to isis. Turkeys been accused in the past of not doing enough to stop foreign fighters from passing through its territory to reach isis in syria. Josh, it now seems that some of those foreign fighters may have targeted turkey and its biggest airport. Holly williams in istanbul for us tonight. Thank you. Attorney general Loretta Lynch is coming under fire for an impromptu discussion with former president bill clinton. Their meeting came as lynchs Justice Department is investigating the handling of classified information on Hillary Clintons private email server when clinton was secretary of state. Nancy cordes is following this. No discussions were held on any cases or anything of that, and he didnt raise anything. Reporter the attorney generals insistence that the email investigation never came up did not satisfy republicans, who renewed their calls today for a special counsel in the clinton case due to apparent conflicts of interest. And speculated about what the former president might have said the lynch on her plane in phoenix monday. The female thing, it does exist. Just prove it, loretta. Just forget about it. Aint nothing there. Reporter lynch says mr. Clinton initiated the contact when he discovered they were at the same airport. He did come over and say hello to my husband and myself and talk about his grandchildren and my travels and things like that. Reporter an aide to the former president claims he was simply extending a courtesy. How bad a judgment is it for him or her to do this . Who would do this. Reporter president obama was asked that very question today. But he ignored it while lynch and the White House Press secretary side stepped. I think what should give people confidence is the 30year career that attorney general lynch has in keeping the publics trust. Reporter the clinton campaign, frustrated by the unforced error, has had no comment except to say they agree with lynchs version of events. One imagine, josh, that clinton herself had a lot to say to her husband about it in private. Indeed. Nancy cordes in washington, thank you. Five weeks before the started of the olympics in rio, police say a mutilated body has washed up on copacabana beach where the Beach Volleyball competition will be held. This horrific discovery comes as olympics original disiezers deal with a rash of problems, including severe pollution in venues for rowing and other water sports. The brown stuff there, thats all raw sewage . Yes. Reporter we flew over rio with mario moscatelli, a biologist who has been documenting the citys vast Water Pollution problem for the past 20 years. This is just unreal. I mean, this water is black. Reporter he hoped the olympics would force rio to clean it up. We had seven years, and our authorities didnt do almost anything. It is a toilet. Reporter raw sewage still flows from rios poor neighborhoods right into the water. It sounds crude, but this is basically like flushing a giant toilet into the ocean. Yes, yes. Reporter in the marina where olympic sailors will launch their boats, we saw a giant plume of sewage streaming into the water. Tests found diseasecausing viruses in rios waters 1. 7 million times the level that would be considered hazardous in the u. S. The problem is not just sewage, its also trash, tons of it floating here in the bay, and some athletes say theyre worried about running into it. Arantza gumucio is an olympic sailor from chile. Are you worried the trash high impact the competition in weve seen it with other boats. Theyve collided with maybe its a chair. Reporter oceanographer david zee says the government promised to plan eight Treatment Plants in the rivers. They built just one. They promised to treat 80 of the sewage flowing in the guanabara bay and are only treating about half. So if you had to grade the job the government has done cleaning up the water, what grade would you give them . D. Reporter d . D. Reporter so they havent done a very good job . No. Reporter guido gelli is with rios environmental department. Why has rio not done what its promised to do . Well, its an interesting question. The problem is the sewer system. Because its not easy. Its very expensive. And for olympic games, there are no problems with the place where the games will be. Reporter but its hard to ignore that one of the most beautiful places on earth might not be ready for its closeup. Ben tracy, cbs news, rio de janeiro. Ben, thank you. Well, today federal regulators opened an investigation into teslas model s sports cars. In may a driver using teslas automated driving system was killed when his car crashed into an 18wheeler in florida. Investigators will look at whether the autopilot performed as expected. And government regulators are urging the owners of more than 300,000 honda and acura models to stop driving them and have their detective takata air bags replaced immediately. The urgent recall follows testing which shows the air bags from the 2001 to 2003 model years have a far greater risk of rupturing and injuring drivers and passengers. More than 70 million vehicles with takata air bags have been recalled. Well, still to come here, lower gas prices fuel what could be a record weekend for holiday travel. And a convicted killer gets a retrial thanks in part to a very popular podcast. And in a time of conflict and hate, two faiths come together under one roof. Oooh [ brakes screech ] when your pain reliever stops working, your whole day stops. Excuse me, try this. But just one aleve can last 12 hours. Tylenol and advil can quit after 6. [ cheering ] so live your whole day, not part. With 12 hour aleve. Im free to do what i want and have a good time. The ford freedom sales event is on and zero for 72 is back on 2016 ford focus, fusion and escape. Plus specially tagged vehicles get an extra 1000 smart bonus. That means freedom from interest. And freedom to choose. With ford, americas best selling brand. Im free, baby now get 0 financing for 72 months. Plus, specially tagged vehicles get a 1000 smart bonus. Only at the ford freedom sales event. Feel free. Think yotry nexium 24hr. s best for your heartburn . Now the 1 choice of doctors pharmacists. For their own frequent heartburn. Get complete protection with nexium 24 hour. Elliott a. A. A. Says 43 million americans are expected the travel between tomorrow and the fourth of july, which would set a record for the holiday weekend. Most are driving to their destination, and to do it, Jericka Duncan says theyre paying less to fill up. Reporter as gas prices approach their lowest levels in more than a decade, 36 million travelers plan to hit the road this weekend. I do like traveling, going down to florida with my family, and there are six of us. You know, with lower gas price, thats a help tremendously. Reporter according to gasbuddy. Com, the National Average far gallon of gas will be 2. 27 this fourth of july, 50 cents less than last year and nearly a 40 drop from two years ago when the average price for regular gasoline was 3. 66. Tamara johnson is with a. A. A. The economy is starting to rise a little bit, so we see that consumers taking that extra money theyre saving at the pump, putting it toward a summer trip. Its going to be like 20 of us in a big house. Fires,. Partying. Reporter Ben Civiletti and his girlfriend stopped in new jersey to fill up on their way to the beach. It was a nice surprise when we filled up right here to see it was only 40 as opposed to what would have been 65 or 70 a year ago. Reporter but low prices are creating a funding shortfall for some states, fueling lawmakers in maryland and Washington State to increase gas taxes, and in new jersey, which has some of the cheapest prices in the country, the state legislature is considering a bill that would raise the gas tax from 14. 5 cents to 37. 5 a gallon. Drivers in the south are expected to benefit the most, but, josh, people out west, well, theyll likely continue to pay over 2 a gallon. Elliott Jericka Duncan tonight, thank you for that. Well, still to come here, the subject of a podcast that has millions rivetted is getting a retrial. 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. 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Side effects may include headache, upset stomach, delayed backache or muscle ache. To avoid longterm injury, get medical help right away for an erection lasting more than four hours. If you have any sudden decrease or loss in hearing or vision, or any symptoms of an allergic reaction, stop taking cialis and get medical help right away. Ask your doctor about cialis and a 200 savings card. Elliott mir seddique has been granted a retile for the murder of his exgirlfriend. Seddiques story has been told in serial, a very popular podcast. Reporter tsegay ultimately granted a retrial. Lead defense attorney justin brown. We made it. We got him a new trial. I will curb my enthusiasm because theres still a lot more fighting to go. Hes still not out of jail. Syed had been serving a life sentence for the 1989 murder for his exgirlfriend. In overturning the case, the judge said syed had ineffective assistance and an Expert Witness had not been crossexamined. The podcast also raised questions about why another student w