be good parents. he was 6 years old, gorgeous little boy. so smart, so kind, so sweet. we fortunately have had three children since adam. they wish they had met adam, but i think adam's legacy was a good one. hi was just that old soul. we called him that. that beautiful little boy. tonight i'm hunting for a guy who was alleged to have murdered his own children. i can't even conceive of that but i hope tonight on "the hunt" the world will be a much smaller place for brad bishop. >> our thanks to john walsh for his time. be sure to catch the episode tonight with john starting at 9:00 p.m. only on cnn. is we have much more ahead in the cnn newsroom, and it all starts right now. hello, thanks for spending time with me. i'm ana cabrera in for alex

witt. they're dealing with what's called incessant rocket fire from hamas. is a cease-fire within reach? cnn is on the ground across the region. live coverage just moments away. a major setback for the mh-17 crash investigation. raging battles between them are keeping investigators from the crash site. hear how this situation could get even more dangerous in the days ahead. plus, former secretary of state hillary clinton sounds off on vladimir putin. hear her firsthand account of how the russian president behaved during their official visit. let's begin in the middle east and new doubts about whether another cease-fire can actually take hold. hamas has said it has agreed to a 24-hour cease-fire, but're still firing rockets into israel, again, blaming lack of

commitment from israel. diplomats from the united nations are working to build what they call a humanitarian pause. yesterday israel said it was unilaterally extending the cease-fire that began on friday but then hamas has rejected its. israel says it was responding to what it called incessant shelling throughout the humanitarian window. and earlier our wolf blitzer spoke with the u.n. special envoy and heard his appeal. >> the appeal on both sides to where we now show utmost restraint for this pulse to become effective, i hope, as soon as possible. >> white house officials tell cnn that secretary of state john kerry is also continuing make calls on how to reach a cease-fire. he is now back in the u.s. after his earlier attempting overseas to broker that seven-day

cease-fire has failed. completely dead at this point. sara sidner is now joining us from jerusalem. we know they're working on a deal but the white house told us a short time ago that secretary kerry has not given up, is still making calls. is anybody making any headway as far as you can tell there? >> if you were looking at the situation now at this point, no. but, of course, they are still pushing and you have heard this sort of back and forth between israel saying, yes, e we will have another cease-fire. it was after a 12-hour cease-fire that did hold and no response from hamas on that. they rejected that. then israel came back. he said, okay, we'll do a 24-hour cease-fire. hamas, initially no response. and then we heard from hamas after they rejected that offer from israel. hamas saying, okay, now we'll do a 24-hour cease-fire. in the meantime there were rockets coming. since midnight so far we know there were 56 rockets or mortar shells that have come into israel. three houses have been hit.

at least one person, a civilian injured inside one of those homes. we also know the idf after that rejection of the cease-fire by hamas did start its campaign inside of gaza saying they targeted 40 different structures there. they're also going after what they say are terrorists, namely hamas militants and perhaps islamic jihad militants. so the battle has begun again and it was very intense, just after the rejection of the cease-fire. we have not heard of more in the last few hours of more strikes, either in rocket fire into israel. but certainly the situation is nowhere near calm and the conflict continues. ana? >> what can you tell us about the talks happening there in the region? we know there have been calls from egypt for perhaps keys to the deal brokering of sorts? >> the reason why you're hearing that is that in times past, egypt has been the key. in 2012 they were the key.

in 2008 they were the key. when the conflict flared up again and i was here in 2012 when egypt came in and said, okay, yes, we will be that mediator even though the head of the mediations at that time mohamed morsi was the member of the muslim brotherhood and the hamas organization. they're a brother to that organization, so they did get involved and it did get solved back then, but flared up now. egypt has not been as involved, not taking that lead role if you will. but we know that discussions are going on. and i think you're going to see pushing from the united states also obviously from the united nations, trying to get some kind of deal done so that civilians no longer have to suffer on either side. ana? >> just in the last hour we heard about the u.n. school that was bombed. fill us in. >> reporter: i was on the phone call along with other journalists along with lieutenant colonel peter lerner

who was with the defense forces. they promised they were going to do an investigation. they have done so. let me read exactly what he said to reporters on the phone. he said, a single errant israeli mortar landed in the courtyard in that school. the footage they have shows the courtyard was empty at the time. it is extremely unlikely anybody was killed by that mortar fire but he added there could be injuries from the shrapnel and he also said they did not target the operations in the gaza strip. we reject the claim that people were killed by the idf mortar on the school premises. a very hard line there, israel saying they did not kill anyone. they do have video. we have seen that video from above, the mortar coming from the ground into that courtyard and it's very hard for us to determine because it's so high up exactly what happened there, but israel saying they did not

kill anyone with a mow tar that did strike inside of that school. >> we can only hope that is indeed the case. sara sidner, thanks for your reporting. both sides of the conflict are also speaking out. israel's prime minister benjamin netanyahu speaking out that he's reresponsible for breaking the cease-fire and all the other ones. here's what he told cnn earlier today. >> >> hamas doesn't even accept its own cease fooifrmt it's continuing fire at us as it speaks. israel has accepted five ceasefires since this began. five. we intercepted them including two in the last 24 hours which hamas rejected as they rejected all of the other cease-fires and they violated them. you say israel resumed its offensive. no, we didn't resume our offensive. they had a cease-fire, they violated it and now they're violating their own cease-fire. obviously we'll take whatever action is necessary including

the terror tones that are digging against us. >> let's get the palestinian perspective also appear on the "state of the union" was mohammed shy tie. they should not stay where they are because it's nearly occupying 50% of the total area of the gaza strip. >> both sides continue to point fingers and blame at each other. they really don't seem much closer to the resolution. we'll go back into the region in about ten minutes for the very latest on this ongoing conflict. but first heavy fighting in eastern ukraine is now keeping investigators from getting to the crash site of malaysia airlines flight 17. and i'll talk with an aviation expert about what information

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the headlines, the violence, israelis and palestinians have been at war since israel became a nation in 1948. it's part religion, part politics, part gegeography, and all of it in dispute. we explain how it got to this point. >> reporter: question one, what are they fighting over? a sliver of land between the mediterranean sea and the jordan river about the size of maryland, roughly 10,000 square miles. but that land is some of the most sacred in the world for three religions. christianity, judahism and

islamism. jesus was crucified there and rose to heaven. jeer use lem, third wholliest site in all of islam. and the mosque sit on the temple mount, holiest site in all of jud judahism. who lives there? 12.3 million people, the same amount who live in pennsylvania, but in a much, much smaller area. just over half that number are jews and that is one of the concerns for israel. why is israel's population a concern? well, the birth rates stayed the same. some day palestinians will outnumber jews. this represents a potential demographic shift which some believe would threaten the very

foundation of the jewish state. long have arabs and israel been openly fighting? well, basically since israel declared independence in 1948. after it declared independence it was attacked by arab neighbors including jordan, islam, iraq. eventually some of those countries like egypt and jordan made peace with israel, but the fate of palestinian refugees is still a source of great contention between israel and the world. who is hamas? a palestinian organization that rules in gaza, considered a terrorist group by many countries including u.s. and israel, it holds a political wing along with its rival fatah

which rulings the other territory, the west bank. it's never given up that fight. it uses its weapons including rockets to attack israeli towns. so how does this end? the international community encourages a so-called two-state solution, an independent palestine and israel living in peace side by side, but the two sides can't even agree on the borders to say nothing of the other issues such as whether palestine should have a military or should israel blockade of gaza or what happens to the jewish settlements on the west bank, an area which holds water sources. right now they seem stark request uneasy neighbors and an uneasy future. up next, we'll take you live to the israel/gaza border where

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we're going to catch you on the latest in the middle east in just a moment but we're learning of an attack in africa that's raising concern. the group accuse of kidnapping more than 200 girls in a school in nigeria has struck again.

according to reuters, a group called boco haram stormed the vice minister's him, killed three people, kidnapping the vice prime minister's wife. in a separate incident a leader was also kidnapped at his home. there is no cease-fire in place right now between israel and hamas. hamas says it had agreed to a 24-hour cease-fire, but they are firing rockets into israel again, blaming a lack of commitment from israel. diplomats from the united nations are working on what they call a humanitarian pause. israel also said it was responding to what it called, quote, incessant shelling throughout the humanitarian window. our atika shubert is on the ground near the israeli border. clearly there's no cease-fire in

place. just how much fire have you seen back and forth today? >> well, earlier today when we were about a kilometer away from the border, we heard some pretty regular outgoing strikes from israel into gaza and equally we saw rockets coming in. in fact, we heard the sirens go off and interception just in the city. one of those rockets actually made a death hit on a house, i believe injuring a woman inside. so that was what was happening this morning. but now we're a few kilometers from the border and it seems a little quieter. we hear occasionally that distant rumble of explosion but not with the same irregularity we were hearing this morning. i don't want to suggest that maybe possibly leading up to something. there seems to have been a lull. it may resume later on. we have diplomats in the u.n.

for the 24-hour cease-fire. we'll have to see if it gets quieter, there may be a possibility of that going forward. >> atika, i want to bring everybody up to speed on deaths and casualties. more than a thousand have been killed 267800 of them children. that organization says 73% of these events have been civilians but they say the primary focus has been the tunnels and trying to rid hamas's access of israel to secure its border there. what are you learning about their progress and doing that part of the mission? >> yeah. the idea is that they're trying most of all to disarm hamas. and in doing so, they're trying to destroy what they describe as an underground city of tunnels by which hamas is able to not only store weapons and launch rockets but also infiltrate into israel. and we have seen a few of the

infiltration points on this side of the border and a number of soldiers have been killed in those engagements. so it is a real threat. now they're asking what does it take to get rid of this tunnel network and why does it for example involve shelling in very heavily populated areas, particularly where civilians are. when we see these staggering numbers, more than a thousand killed, many are asking about the precision of the israeli military in its operations going forward. so this is one of the controversies, but the idf insists that it is going to continue to be in gaza even if there is a cease fire in order to dismantle this tunnel network. so this is one of the main sticking points of any possibility of a truce. >> i wonder if you might be able to shed some light and give us some facts from what we heard earlier from george birnbaum,

the former minister. he said any casualties of hamas, actually dragging civilians out to where they know the missile aisles are going to strike. is there any truth to that? >> i'm not in gaza but what i can say is when i have been there before it's a densely populated area, one of the most densely populated areas on earth and it's constantly being squeezed further. when you consider that they ordered the evacuation of certain areas and that means that anybody who leaves is going to get squished into an even smaller tighter space. so no matter what areas get hit, it seemed almost inevitable that civilian structures are also going to get hit. having said that, hamas does have a history of launching rockets from civilian areas, of hiding itself and its command

centers in civilian areas and u.n. schools have even said earlier this week that they did find in two cases rockets secreted inside two of the two u.n. schools. so both -- in both sides, they have a point here, but on the other hand, the big question is even if that is the case, how do you avoid mass civilian casualties. >> that's the question we all want answered. thank you so much, atika shubert. stay safe. you can't even see one of the biggest threats to security tunnels. we'll show you the idf plan to shut them down. you have time to shop for car insurance today? yeah. i heard about progressive's "name your price" tool? i guess you can tell them how much you want to pay and it gives you a range of options to choose from. huh? i'm looking at it right now. oh, yeah? yeah.

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bottom of the hour. welcome back. i'm ana cabrera in for alex

witt. the costa concordia has reached the end of its voyage. it will be drydocked and then scrapped. the ship ran aground in 2012. 32 people died. one passenger still missing. it is the largest salvage operation ever. the price tag so far, $1.5 billion. billion. now, we've just learned a second american has tested positive for ebola. she's an aide worker treating an ebola patient. a doctor is also infected with it. 33-year-old dr. kent brantley was also working in africa. he's now in treatment. the current outbreak of this disease is the deadliest ever in africa. >> this wildfire in california is forcing about a thousand people from their homes today. high temperatures, low humidity,

strong winds making it real tough for firefighters. more than 700 of them are on scene right now battling the flames. a new class is in the baseball hall of fame in beautiful cooperstown, new york. three were inducted. bobby cox, greg maddic and le vehicle. also managers. they're preventing investigators from getting to the scene where the plane was shot down. forces have killed 13 people including two children just today. the bloodshed comes more than a week after flight 17 crashed kill auing all 298 people on bo. malaysia's prime minister is deeply concerned investigators can not get to the scene because of this volatile security situation. a proper investigation still

hamts really started and some bodies are still lying near the debris there. a spokesman for the national security also said the crash site is still under control of terrorists. i want to bring in our cnn safety analyst david soucie. david, at some point do you believe it's going to be too late to start their investigation? >> it should could be, ana. what's dif now is the separation between intelligence and the actual gathering of evidence. it's difficult to prove in law just on intelligence and all we have right now is intelligence. it's imperative we get out there and gather information from the sight that can be used to prove what's happening. >> don't we have pictures from the site that can maybe provide that proof? >> yes. i've been in court many times with what i thought was a very firm case in an accident site and those pictures were thrown out because of the chain of custody, and the chain of custody in this case was not there because the people who took those pictures are

reporters or something like that where those photos are handed down from people to people without a firm and documented case -- chain of command or chain of custody. >> so if i'm understanding you right, we need to get our hands or investigators need to get their hands on the physical pieces of evidence. is that something you could have, like a proxy or somebody else do? they could do the gathering since it's such a volatile situation there? >> i think that that's possible, however, it really needs to be someone who's designated by the dutch. the investigation is being handled by the dutch. they're still having trouble, of course, getting there. once they get there, that's all they need to do is get in there. they don't need to spend a lot of time documenting because the photographic evidence can lead them to exactly what they need. what makes it more difficult, ana, the command of control has to be proven here, proven that they didn't take reasonable care

when they were using that weapon, and in order to do that, the aircraft has information on it, which is the iff, the friend-or-foe system, and if that friend-or-foe system was translating as a friendly fire, then they can prove there was no command or control over the discharge of that weapon, and at that point, that is a war crime. >> i know that you are an aviation expert and faa former investigator, but i wonder if you might comment on this. russia had announced it's now form add team to join this investigation. considering that they're being partly blamed for what happened with mh-17, do you think they can be trusted to come in and take part in this investigation, or do you welcome more eyes, more hands, kind of the philosophy, more brains are better than one? >> absolutely they need to be involved in it. both sides need to be involved. when i run an investigation, you have engine manufacturer, air frame manufacturers, all of who

could have play in it, the airlines itself, the operators. everyone involved needs to be there and it needs to be coordinated. what happens then is during my investigations aisle cross-mingle the investigations itself. for example the engine manufacturer would be looking at issues. the actual hand ling of it goes to that. so you end up with this cross-intelligence, and that's really the only way all the information gets unveiled. there's less chance down the road to say, hey, i didn't have anything to say with that evidence or i didn't see it. it's difficult to say when you're part of the investigation. >> thank you, david soucie. i appreciate your conversation and your expertise. >> thanks, ana. still to come, we're going to put that question to former secretary of state hillary clinton. her answer, plus she also explains why she is skeptical of putin.

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to learn about our whole range of life event discounts. newlywed discount. new college graduate and retiree discounts. you could even get a discount when you add a car. call liberty mutual for a free quote today at see car insurance in a whole new light. liberty mutual insurance. there are growing concerns that this ukrainian crisis is escalating after the u.s. released what it calls evidence that russia is moving more powerful weapons into ukraine and repeatedly firing artillery from the russian border. cnn's barbara starr has more. >> reporter: russia appears to now be shipping heavier caliber, more sophisticated ground rocket

systems like these across its border into ukraine according to the pentagon. weapons that can strike ground targets 20 miles away. the latest shipment is imminent, the pentagon warned friday. the rocket launchers are seen by the u.s. as a further russian military escalation. >> we are very concerned about the transfer of weapons and materiel. >> reporter: they have seen a steady stream of russian weapons going into ukraine. >> at a time when, you know, i think there may be some folks who could convince themselves that pew pin could be looking to de-escalate, he's taken a decision to escalate. >> reporter: general martin dempsey says the u.s. and nato are updating military plans to be ready if russia threatens european stability. >> my fear is actually, you know, if i have a fear about this, it's that putin may

actually light a fire that he loses control of. >> reporter: cnn has learned that u.s. intelligence satellites and radars have monitored repeated artillery fire from the russian side of the border for the last several days. the u.s. now monitoring that board around the clock for any signs of russian troop movements. the u.s. ambassador to nato says there are limits. >> we don't have the responsibility to defend ukraine, although ukraine has been a close partner. it's not an ally. >> reporter: russia's potential motivation, step up the hostilities to protect the moscow-backed sip rah activities. >> they're being pushed back into a couple of key cities within the provinces of eastern ukraine, and i think russia is getting very concerned about this. >> reporter: the question now, what will vladimir putin order his forces to do next. the u.s. estimates russia has up

to 15,000 forces on its border with ukraine and that number could still grow. barbara starr, cnn, the pentagon. >> thanks, barbara. and now let's hear from a woman who has had many a meeting with the russian leader. she's no longer the top diplomat of the united states but former secretary of state hillary clinton has tough talk for russia and what europeans zhould about this crisis in ukraine. she's also sounding off on russian president vladimir putin to cnn's fareed zakaria. >> there are a lot of people who feel president obama is nothing being tough enough on vladimir putin, russia. do you think he's handling the ukrainian crisis appropriately? >> well, i think he's nation dealing with it. they have a great interest to help in maintaining peace and security in europe and we have a

formal alliance, nato, to do so. but much of what we can do and what the president is calling for requires the full participation of our european friends and allies and i would make three great points. first, i think if there were any doubt, it should be gone by now, that vladimir putin certainly indirectly through his support of the insurgence through eastern ukraine and supply of advanced weapons and frankly the presence of russian special forces and intelligence agents bears responsibility for what happened to the shoot-down of the airline. therefore we have to up the sanctions that are required. united states has continued to move forward on that. europe has been reluctant. they need to understand. they must stand up to vladimir putin. that brings me to my second point is that the reluck hasn't has to do with european

dependence on russia. but i would remind my european friends as i did when i was secretary of state and right about in my book, they have to become more energy dependent and defend their supplies. they're also dependent upon the european market. i think they should go much further in sanctions around should do so as soon as possible. finally it's in the interest of the united states to help ukrainians secure their borders, up the training and supplying of the ukrainian forces and, of course, continue the need to stress the need for political reform inside ukraine. ufl that should be done si simultaneous lie. >> you say inside the book that the reset with russia worked because you got a new strategic arms treaty out of it. you got them to agree to sanctions on iran. what do you think then that it

stopped working? what changed? >> i thought a lot about thafrmt was the most sceptical of put o. not by looking at what russia could do to be a modern nation but by looking to the past and especially trying to control their borders from central asia to the baltics. so when he announced in the fall of 2011 he would be changing positions with medvedev, i knew he would be more difficult to deal with. he had always been the power behind medvedev, but he had given medvedev a lot of independence to do exactly what you said and make the reset a success. i saw that firsthand with regard to the parliamentary

re-elections in russia because they were filled with irregularities and people poured out into the streets to protest. i said as secretary of state of the united states they deserved more. putin attacked me personally because he is very worried about any kind of internal dissent. he wanted to clamp down on any opposition with russia and he wanted to provide more influence and even intimidation on his borders. and i, you know, certainly made my views known in meetings as well as in memos to the president. i think that what may have happened is that both the united states and europe were really hoping for the best from putin as a returned president. and i think we've been quickly unfortunately disabused of those hopes. putin is playing the long game. he has a strategic plan in mind.

the eurasian usinion, which wou be in competition with europe. interfering with elections, putting money behind buying press outlets in european countries and the like, trying to discourage countries like ukraine, you know, being able to join the european union. and if the united states and europe don't present a united front, i think putin is the kind of man who will go as far as he can get away with. i think he's still smart enough and cautious enough to be pushed back, but there has to be a push in order to make that happen. >> and we've just learn thad a second american has testified positive for the ebola virus. coming up we'll have more from cnn's chief medical

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. just this hour, we learned that a second american has now tested positive for the echl bola virus in africa. this woman is an aide worker. this is word after an american doctor is now infected with

ebola. he was working in africa treating ebola patients. he's now in treatment himself at an american hospital in isolation. the current outbreak of the disease is now the deadliest ever in africa. our medical correspondent elizabeth cohen is joining us to talk about this latest development. thank you so much, elizabeth. with all the precautions that we know are being taken, how significant is it that a doctor and an aide worker have now come down with ebola? >> you know, unfortunately, precautions are just that. they are precautions. they are not perfect. what possibly could have happened in this situation is that the precautions weren't being followed to the letter or it's possible that something went wrong. the precautions are things like wearing a long gown, wearing gloves, a face mask. sometimes gloves can get holes in them. sometimes face masks are not perfect. that's how incredibly heroic

these people are, they know that there's not 100% guarantee they won't contract the virus. >> how concerned should we be about ebola spreading outside of africa. we learned that a man in nigeria died from this. especially in the united states, could a traveler transmit this disease elsewhere? >> the experts i've talked to are not terribly, terribly concerned about that. and i'll tell you why. as we can see with the health care workers, it's unfortunately, quite possible, that when you have close, direct contact with patients, you can get the virus because it's transmitted by bodily fluids. however, just walking by someone with ebola is not going to give you ebola because it's not airborne. so while we've seen it spread within this area, we have not seen a global spread. so i think there's a lot of concern about health care workers. i don't think there is a huge concern that this is somehow going to spread to the united states. and you mentioned coming to the

united states and think about it this way. when someone has ebola, they get so sick quite quickly that it would be difficult for them to get on a plane and travel. >> if caught early, how treatable is ebola? >> it's not treatable. ebola has up to a 90% fatality rate. some people survive them but most people do not. there's not much we can do about ebola. >> elizabeth cohen, thank you so much. for more on this story and other news of the day, head to cnn.com. it's not just israelis and palestinians fighting, it's americans, too. coming up, we'll hear about americans fighting in the israeli army. on. there's unlimited talk and text. we're working deals all day. you get 10 gigabytes of data to share. what about expansion potential? add a line anytime for 15 bucks a month.

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the violence between israel and gaza may be half a world away from the united states but there are americans caught right in the middle. u.s. citizens who actually want to be part of the fighting, who risk their lives to join the israel defense forces. dan simon has one soldier's story. >> reporter: each year, hundreds of american citizens join the israeli military force. why not join the u.s. military? we spoke to a former member of the idf.

a 47-year-old today is working in sales in the silicon valley. >> as much as i'm an american, there's incredibly deep and long connection that i personally have both to israel, to its history, to its people to relatives that survived the holocaust, relatives that helped establish the state of israel both from within and outside of israel and that connection runs extremely deep. i was in the idf from 1987 through 1993. so it was the period right after israel's first lebanon war. people are definitely surprised. americans are surprised that i joined the idf because it is hard to digest that concept of how it is that you can love the united states and be a proud american and yet go fight in another army. you feel that if you don't do that, then who will? and that state needs to be preserved and needs to be defended. and that the u.s., with its

strength and size, perhaps isn't quite as needing of your abilities and your efforts. hearing the news of all of the soldiers who have been killed is heart wrenching. the fact that they did volunteer, that they did leave a safe and secure life make it is harder to digest. there have been tens and thousands of people at the funerals who have come to show their appreciation and love for those families. >> well, you don't usually see many ultimate fighting stories here on cnn but you will next hour. this is ufc's winner who is going to join the fight against hamas as part of the idf. we'll talk with him next, live.

good sunday afternoon. i'm in for fredricka whitfield. our top story at this hour. the crisis in the middle east, where at this hour there is no cease-fire in place. hamas has said it has agreed to a 24-hour cease-fire. our sources on the ground tell us they are blaming a lack of support from israel. the united nations has been working with both sides to bring some kind of a deal that will bring an end to this fighting, even if it's temporary. yesterday israel said it was extending a cease-fire that began on friday but hamas rejected that extension. israel has since resumed its military operation after mortar cire from gaza and the death of