This is the cbs evening news. Good evening. Im jim axlerod. The libyan man snatched near benghazi and suspected in the consulate that killed four americans, including ambassador chris steven, is now on american soil. Under heavy security in washington, d. C. , Ahmed Abu Khatalla made hits his first appearance in federal court this afternoon and pleaded not guilty to charge of conspiracy to provide support to terrorists. For the last two weeks, khatalla had been held and interrogated on navy ship before being flown by helicopter into washington this morning. Mark albert begins our coverage. Reporter the entire hearing took just ten minutes in a heavily guarded courthouse blocks from the capitol. Flanked by u. S. Marshals, khatalla appeared in federal court in dark hooded sweatshirt and dark pants. He was not visibly restrained and raised his right hand to take the oath. Through an interpreter, khatalla said he understood the charge against him, a onecount indictment of conspiring to provide support to terrorists. Khatallas appointed attorney entered a not guilty plea on his behalf. Other charges will likely be added later, part of a Government Strategy to keep Sensitive Information under wrap in the a public criminal trial. The Justice Department describes khatalla as one of the key leaders behind the assault on the american diplomatic compound in benghazi. Khatalla had appeared frequently in public since the attacks on september 11, 2012. Just one month later he spoke with cbs news off camera at a benghazi hotel where he sipped mango juice and dared authorities to come after him. On friday, pentagon Spokesman John Kirby said the u. S. Did just that. Hes not sipping mango juice anymore in a cafee in benghazi. Hes on his way to court. Thats whats really important. Reporter and khatalla was brought here to the federal court in d. C. He was questioned for a week before he was arrested. His next Court Appearance is a detention hearing on july 2nd. Until then the u. S. Marshal service says it is holding him at a detention facility somewhere in the d. C. Area. Jim . Mark, thank you. Lets bring in our Senior National security analyst, juan zarate. Juan, interrogators have had khatalla for two weeks while they transported him here. Were told at some point in the process he was read his rights. What kind of information are interrogators looking for . Intergaitors are interested about any plots or threats to the west, any information about operatives coming from the west and any information that khatalla may have had about operations, communications with terrorist group, not just in libya but in the region. They would then, of course, have been interested in information about the benghazi attack. Based on the information i know, he was talking both before he was read his rights and after. From what you know, do you expect to see more arrests in this case . I think authorities are certainly looking at other operatives and potential defendants in this case. Theyre going to take their time, though to, both perfect the case and to find the right target of opportunity. Those associated with khatalla have watched very carefully what happened to him and have seen now two operations in libya. So theyre going to be hunkering down, and given the chaos in that country, f. B. I. And special forces will take their time to find the right opportunity. Juan zarate in washington, thank you. Thank you, jim. After weeks of retreat, iraqi troops are unlearning an air and ground assault on sunni militants in the Northern City of tikrit, hoping to retake it from them. As Charlie Dagata reports, the fighting has been fierce in iraq and government claims of progress are being contested by some Foreign Workers caught in the crier. Reporter iraqi forces have been pushing north to take control of key cities that had fallen with lightning speed to isis militants. Military officials today said commandos backed with tanks and helicopter gunships had been deployed to take on sunni insurgents in tikrit, saddam husseins former hometown. Driving militants out of tikrit would give the Iraqi Military a strategic hold of a major Northern City and would boost morale to a force that has so far been unable to stop isis. It also helps cut off one of the major routes to the capital. Just 35 miles south of tikrit and on the road to baghdad is the contested city of samarra, which today iraqs military spokesman insisted is under complete government control. But these chinese construction workers, who are trapped in the fighting in samarra and later evacuated to baghdad, tell a different story. They said they had to be rescued by iraqi forces over the course of two days. Kimi duan is one of the men who helped evacuate 1,200 of his colleagues who were building a power plant in the city. As you were leaving, did it feel like that area was under control of the iraqi army . I think its. You can see the army, but we see theyre not 100 ready to take back the city. Reporter theyve been arriving by the busload. This has been turned into a holding area. They say the fighting got so intense in samarra they feared for their lives, and now all they want to do is go home. Ramond chenrun is a translator with the evacuees. You cannot imagine the feeling that we come here. When i come here, i see the chinese army. I was very happy about that. Reporter a joint u. S. Iraqi Operations Command center has been set up here in baghdad. Its unclear what kind of u. S. Involvement went into the planning of this offensive to the north, but Iraqi Military spokesmen said today that the coordination is at the beginning stages. Jim . Charlie dagata in baghdad for us tonight reporting on the fluid situation in iraq. Charlie, thank you. House Minority Leader Nancy Pelosi was in texas today visiting a Detention Center where Migrant Children are being held. Pelosi was briefed on the situation, but she did not meet the children. She did tell reporters shes not hopeful about comprehensive Immigration Reform this year. Children at the facility did get another highprofile visitor, the first lady of honduras. Many of the children being held at the facility are from honduras and were fleeing violence there. Vicente arenas spoke with the first lady. Reporter these photos obtained by cbs news show the conditions inside border Detention Centers across texas, rooms jammed with children, families and young men. This year the number of minors crossing the border illegally has almost doubled from last year. The majority of the people are children. Thats why the first lady of honduras came to this station. She meat fiveyearold boy in tears. The boy didnt know the town he came from, she told us. I did my best to comfort him. Theyre telling you theyre coming because they can come and stay here. Exactly. Reporter in 2009, fewer than 1,000 honduran children came to the United States illegally. This year that number is more than 15,000. Many of these immigrants are being held in congressman Henry Cuellars texas district. He wants Illegal Immigrants from Central America to be deported quickly and not kept here indefinitely. Mexicans within 48 hours are pretty much returned, but the kids and other folks from other countries are put in a different system. Why can we not treat everybody the same . Reporter the Illegal Immigrants keep coming. A source tells me on one night earlier this week, nearly 400 were caught along the rio grande here, many of them unaccompanied might beers. On monday department of Homeland Security secretary jay johnson will come to texas to check on facilities housing children. Vicente arenas, cbs news, mission, texas. So far its been the reddest june on record in parts of the upper midwest, and this weekend is only going to see more rain. Lauren casey of wcco in minneapolis joins us. Lauren, a rather large and powerful storm in the midwest. Who exactly is in its path . Reporter the storm system features very strong winds in the midlevels of the atmosphere, and its producing the threat of largescale wind damage event across the nations midsection from northern minnesota stretching as far south as southern oklahoma. This evening and tonight. The widespread downing of trees and powerlines is likely in States Affected by these storms. The threatary narrows but elevates tomorrow with the increased risk of a tornado and a moderate risk area which includes much of iowa and nebraska. Large hail is also possible during this multiday Severe Weather event, which will extend into monday when major midwest cities such as chicago, indianapolis and kansas city will contend with these severe storms. It looks like wind and even greater threat than rain for this weeks storm. Lauren, thank you. Now to the world cup. A dramatic win for host country brazil as the knockout stage of the tournament got under way. Brazils game against chile came down to penalty kicks. Chiles last chance hit the side post and brazil moved on. We will have more on the tournament including an update on team u. S. A. Later in the broadcast. A rock n roll hall of famer has died. Singersongwriter bobby womack was one of the alltime r b greats. He had been diagnosed with alzheimers disease. He performed just a couple weeks ago. Anthony mason looks back now on womacks soulful career. Reporter his voice was bourne out of a Gospel Church and given character by a life of ups and downs. Bobby womack died yesterday after battling a series of health issues. Because i used to love her but its all over now womack got his start in 1960 when sam cooke signed the singer to his first record deal. During that time, he wrote and recorded its all over now, the song that would later become the Rolling Stones first number one hit. When his own band didnt break, he became a sessioned guitarist, playing on records by elvis, ray charles, Dusty Springfield and aretha franklin. In the 70s, while battling drug addiction, he released a series of successful solo albums. Then in 1981, he had his biggest hit with if you think youre lonely now. In 2009, he was inducted into the rock n roll hall of fame. Bobby womack was 70 years old. Later the mystery of californias disappearing black birds. And better late than never. High School Graduation day for a 100yearold awaran two vet when the a 100yearold world war ii vet when the cbs evening news continues. Legs, for crossing. Feet. Splashing. 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If you have any sudden decrease or loss in hearing or vision, or any allergic reactions like rash, hives, swelling of the lips, tongue or throat, or difficulty breathing or swallowing, stop taking cialis and get medical help right away. Ask your doctor about cialis for daily use and a free 30tablet trial. cause youll be in my heart yes, youll be in my heart from this day on now and forevermore. Narrator if animals are our best friends, shouldnt we be theirs . Visit your local shelter, adopt a pet. Youll be in my heart no matter what. Cbs cares. Its the car you buy if you win the lottery. Go inside the lamborghini factory and race through the italian countryside on 60 minutes sunday. Axelrod we have a bit of a mystery to tell you about in california, an environmental mystery. A type of blackbird that once filled the skies is now rapidly disappearing. As bigad shaban tells us, at least one scientist is pointing his finger at pesticides. Reporter these are the highpitched cries of hundreds of newborn blackbirds in californias sacramento valley. Its having i hear very infrequently, almost rarelyppcj anymore. Reporter ecologist bob meese has spent the last decade studying the trycolored blackbird, which once numbered in the millions. How much louder would have this been just a few years ago . It was almost deafening. Reporter the decline, he says, is unprecedented. According to surveys coordinated by meese and his team at the university of california davis, the state was home to 400,000 tricolored black birds in 2008. Today there are only 145,000. Thats a 64 loss in just six years. There are parts of the state where the birds just appear to be disappearing altogether. Reporter meese is now catching the birds so he can tag them and track their movements. He believes the birds Natural Habitats are increasingly turned into farmland and vineyards, which rely on pesticides which kill off the insects the birds feast on. If they do not have enough insects in their diet, they cannot form eggs. Reporter so meese is trying to convince growers to give up pesticides. Here at this organic rice field, the blackbirds are able to collect insect larva to feed their young. The back birds can act as natural insecticides. Yes. If we can do this in california, i think the future has a species here. Reporter unless that idea takes flight, meese says this iconic bird could be lost forever. Bigad shaban, cbs news, woodland, california. Axelrod it took seven tries, but nasa today finally launched a flying saucer off hawaii. A balloon and a booster engine rocketed the saucer 34 miles into the sky before it fell back to earth. Aid by parachute 110 feet in diameter nap. Is a hopes to one day land a vehicle like this on the surface of mars. Up next, team u. S. A. Gets up for its doordie match against belgium. Tylenol® provides strong pain relief while being gentle on your stomach. 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Coach Juergen Klinsmann says its an important step on the path to american soccer excellence. This is now what we need. We want to have those benchmarks. We want to be one day in the top 10, top 12 in the world some if you want to be there one day, this is now the moment to prove it. This is now the moment to show it. Reporter theyll need to do so against a young, fast and aggressive belgian squad that is one of just 14 to have won all three of its group game, but the americans could get a big boost if striker Jozy Altidore can return from his strained hamstring. Altidor was seen jogging easily at practice this weekend. Players like goalkeeper tim howard, well, they believe. We feel like were strong and were fast and we control the ball well. So its going to be