♪ ♪ hi, everyone, this is al jazeera, america. mistakes made, how the u.s. army shifted potentially deadly bacteria can to labs around the country can. who is responsible? standard deafuation, new debate over the common core curriculum. now one governor is pulling his state out. whenever federal government crowds out local control in the these type of areas things get worse. new orleans police. >> we aren't doing the things we are doing, it is

frustrating to watch the department decline. >> why officers keep pointing in 1 of the most dangerous cities in america. plus, classic rock. >> i always wanted to do something together, you know, and when question joined forces everything exploded. >> the classical duo how they are getting tens of millions of views online. >> there is no mistaking the danger posed by anthrax. one of the deadly youths substances in the world. so how can can the u.s. army sent it to more than a dozen labs in nine states and south korea? is that's the question many want to know tonight. so jamie we first heard that these life samples that they were live samples now officials say that's not the case can so what do we know

about it. >> quell how can i put this, it is isn't much that the samples weren't life, that they weren't as dead as they were supposed to be. let me back up a minute. ten this goes back to last year at the doug way proving ground. the u.s. army has samples of anthrax, they kill the anthrax with radiation and they set the sample aside the purpose is to use the spores to detect devices and defenses against anthrax. coal, one of the labs in maryland took that supposedly dead spore and were able to culture nit the laboratory, over several days into a live anthrax spore. that set off alarm bells. the earn went with back and tested the batch they discovered as i said, it wasn't quite as dead as it was supposed to be, and they issue as recall can for all

of those very tiny amounts of anthrax that were sent around. ingthey insist that the way these are handle there is' probably no danger to anyone involved in the handling of this but they want to treat it as potentially lye anthrax virus, and the cdc is conducting an investigation to find out why this virus turned out to be not as dead as it should be been. >> so they are supposed to be up in rollized before they are shipped out? >> absolutely. the whole idea is to use dead spores. once it is lie situation that's completely different protocol. live ever and now that they suspect they could be live

esprotocol can to make sure they are tracked the entire way, and this' a secure handover at the beginning and the end. >> so again the pentagon says no public to the public? >> at this point, no evidence that anyone was exposed the troops be i the way in korea, that were using this anthrax supposedly dead spores as part of a military exercise, most troops that are deployed overseas are already distinguish anc lax vaccine, but the commander ordered everyone to take antibiotics as a measure again, no one is exhibiting any signs of illness. >> we continue on this, despite the potential danger of anthrax, the department of defense keep as supply for residential. it's offer shipped to locations around the world. science technology cor can respondent is in san francisco with more on that. jake why would the d. o. j.

mail something so dangerous rather than just keeping it in one mace? john, it is just that anthrax is a boogie man in the imagination of the account of defense. it is a very easy bio weapon. it is quite easy to get out into the world if you aerosol it it has terrible effects on the body. it calls all kinds of pulmonary problems and eventually respiratory failure. so the department of defense wants it's sort of outer reaches it's fort ohs away deployments to have field equipment ready to toast for it at any moment, and that's why they created the dug way proving ground and send it out into the world. as jamie mentioned trooped are vaccinated for it, it is just sort of a cause of great concern to the department of defense, and they go to great lengths to make sure there's enough of it, but enough of it out there that they can continually be testing for ways to be able to test for

it so jake, are there any working theories on how it can wind up alive when everyone thought that the process as part of the process thought it was dead? >> welshes this is really the question. it is standard operating procedure to deactivate, kill searchly, anthrax with radiation. they radiate it, using machinery, typically at the dug way prying ground, and then send it out. you don't need living anthrax to detect it. so it should in theory have been killed, one thing to note here, is that it is a bacteria. it is not a static thing. anthrax changes the way that all bacteria einvolves over time, i don't want to suggest this has suddenly become anc lax that is resistant to radiation, but it is something they have to look at, the suspicion here is this was a procedure roar of some sort.

some kind of equipment didn't work obviously now the question is what steps are missing in this process. there obviously was not a step in before it was shipped out it was double checked to make sure it was truly dead that kind of step is crucial. no uh that we have seen these tiny. as but still possibly living anthrax was mailed all over the world. >> jake, that you have. sean coffman is a bio security consultant, he was a member of the response team. during the 2001 anthrax attacks he is in birmingham, so sean, the pentagon said today that human error was probably not a factor, they also said it was a failure probably of failure in the technical process. how can can that be? >> i don't know that i am going to agree that human error was not a factor.

there is a serb protocol that folks follow to make sure that anthrax in a spore form isn't activated. and typically what we with see is that an activation process is cut short or. some reasons they didn't get enough inactivation time to be fully inactivated. if they mail it back and forth, whether it is act i or inactive is it pack canninged in the same stuff or is that different? >> well, i think that it is. you definitely have to follow extra protocol. however, the packages that left from what i see the packaging that left the facility initially and went around the world, was sufficient enough to hold what we were -- most concerned about. so i don't think can that those who were with involved in the shipping process and the receiving process, would be at tavern rick.

definitely rick enough to take some extra precautions but i don't think at rick to cause a great alarm to the general public. >> is it necessary, shawn, for the government to mail anthrax all around the country even if it is inactive? >> absolutely. shull. 100%. and i will tell you the reason why is that there is a chance to test whether there is a bio terrorist attack underway and these are critical in not only protecting the general public, be uh the troops that may be serving on the front line should a bio weapon be used. >> sean coffman good to see you, thank you. >> rain still falling and rivers still rising in texas and oklahoma tonight. 21 people have been killed in the flooding. several others are still missing, many of them in the town of wimberly texas. today family members talked about the on going search,

heidi joe castro is in wimberly tonight, heidi? >> hi, john. so time is ticking here, it's been almost four days since that historic flash flood hit the small tourist town, four bodies have been recovered from this town alone and still eight more are missing but rescue workers say they are not giving up. >> the search continues for two families swept away by floodwaters. the two children andrew and layton have been vacations randy, michelle, son quill and grandparents ralph and sue kerry. this is what is left of the house where they were staying. after the blanco river rose 30 feet in less than two hours and swept the home off it's foundation, laura called her at the house floated down the river. telling her sister that she loved her that was the last time the mother of two was

heard from. >> i think recognizing what is happening with the wear, we all know and we have accepted that they are gone. >> the father, jonathon is so far the only known survivor, he is expected to recover from a collapsed lung broken stern numb, and broken ribs. >> she is absolutely devastated. he did everything he possibly could to save them. >> miles downstream, in the next county, the body of michelle kerry was recovered tuesday, and a day later body of a still unidentified boy was discovered on the river bank now seven from the group are still missing. >> this effort is not over. we are 100% committed to finding laura andrew, layton randy will, ralph and sue. that task falls on an army of

civilian volunteers. 32 national guard troops deploy to the area. >> how high are you hoped of finding any kind of life? >> we never want to give up hope. >> as the clock ticks the search and rescue are prepared to come across more bodies. >> you know if you find that that you are giving that family peace and you are allowing them to have some closure. >> and john, when you hear those names spoken of the people still missing your heart just goes out to these families and the unimaginable suffering that they must be going through. meanwhile, there are 72 other families here in wimberly, who lost their homes to the gnash floods they are going through the debris, and more than one with thousand other homes here were badly damaged. in iraq, car. booings of two hotels that killed at least ten people, dozens more have been hurt. twenty-first explosion came just after -- just before midnight at the heavily ft.fied babylon hotel.

the second went off minutes later, police say the attacked appear to be coordinated. now the weather in india. a severe heat wave has taken more than 1400 wifes. temperatures have soared as high as 116 degrees. 34 have no choice but to prey the heat. funerals have been taking place across the southern indian states. nearly 1400 people have died there because of heat related illnesses. this woman died because of sunstroke. most of the people who have died here are workers they do small jobs and they have no financial security. the government needs to help them. >> with the state government pushing the death toll at more than 1,000. india's meteorological department says temperatures have risen quickly and

unexpectedly. catching residents in the region's hottest areas by surprise p people are doing what they can to keep cool. local governments are trying to raise awareness about illnesses like heat stroke. but in some areas there are fears these public service announcements are a little too late. in other parts hundreds of millions of people are also struggling in sweltering conditions. >> i have to cover up well, when i am travelling, it is easier for some people with air conditioning in cars these days i also try and go out in the morning or during the evening. the heat is great for my business. people are buying a lot more and drinking cool drinkers. here in the cap can toll temperatures have consistently risen over 45 degrees celsius. frequent power cut cans have compounded the misery and led to criticism of the state of the country's infrastructure.

the first rans of the annual monsoon season aren't expected to hit until next week, and it will be at least a month until the forecast improves in northern indiana. india. >> now to switzerland and a defiant stand by the governing body, calls for blatter to sit down. he says he will not resign, instead he is pushing forward with with his reelection bid for a record 50 material. >> in zurich, 24 hours after the department of justicish dated 14 fifa officials and associated with corruption can dating back more than 20 years, soccers global elite appearing to be carrying on as if nothing has happened. this is the opening ceremony of their annual get together in switzerland. led by a defiance fifa boss,

sepp blatter. >> if people want to do wrong, they will also try to hide it. >> but it must fall to me to be of responsibility, for the reputation and well being of our organization. blatter who and likely to win a fit term is refusing to go, despite many calls for him to step aside. >> the most important thing is that mr. blatter after many years steps down, and someone else takes his place someone who'ves in transparency, and honesty. >> i feel insulted and i am sick of it. and enough is enough i can tell you tomorrow at the election of the president a very very large majority of the european national associations will vote for prince ali. >> prince ali ben hussein of

joe dan is the european's preferred candidate, yes, sir it is t no clear if he can get new votes meanwhile in africa, south africa is hitting back at allegations from the d. o.j., that i paid 10 million-dollars in bribes to secure the 2010 world cup. we as a government, and our peopling maaing the resources of the south african can people we did not share part of your resources with criminals. >> i am saying it now and forever. >> also hitting back, accusing the d. o. j. of traying to rain on his parade in the world cup. >> this is an obvious attempt to prevent mr. blatter from being re-elected to the fifa presidency, which can is a grey violation of principles, of international organizations. >> and russia is where the probe is set to have begun amido concerns the selection process and the 2022 tournament in qatar were

rigged. both countries deny any impropriety. federal prosecutors also say there was similar practices meanwhile, it is difficult to see how this can end with rein sort of united voice. the likeliness remains he will be reunited which will meet with division yet much of the rest of the world russia africa can and asia, seems firm in it's support for him. there is, of course, a nuclear option. that will be the end of fifa, and the world cup. this has been tolerated for so long, because people don't want to see the world cup go they love it. >> thank you. former house speaker has had his own federal indictment to deal with.

the indictment charges him with lying to the fbi about it charges say he was paying off someone to cover up misconduct, but it did not say what that misconduct was. coming up next, another stake calls for an end to common core and why supporters say that's a mistake. and the word's old ohs who done it, may have found a four 0,000-year-old murder case.

[baseball crowd noise] ♪ ♪ [x1 chime] ♪ ♪ [crowd cheers] oh! i can't believe it! [cheering] hi, grandma! ♪

new jersey is stepping out of the federal education program called common core. governor chris christie made the announcement today and he says the curriculum just doesn't work, and there's a growing number of people who agree. >> a speech laced with politics and parenting. >> i want even classroom to be a place where learning occurs for every student. >> new jersey governor a

potential presidential candidate, takes on one of the big issues. common core. it is dividing families politicians and teachers alike. >> it's now been five years since common core was adopted and the truth is it is not working. >> on thursday, christie announced he is pulling his state out of the standardized curriculum. >> instead of solving problems it's creating morale problems in those classrooms and at home. when we aren't getting the job done, we need to do something different. >> christie has company several states have rejected common core, saying it puts too much pressure on teachers and students to meet imposed benchmarks that have more to do with money than education. but proponents sharply disagree. saying common core is working helping children compete with kids around the world giving them a solid foundation for the future.

the common core can state standards initiative was sponsored by the national governors association, and the council of chief state school officers in 2009. 46 states signed on in an effort to standardized basic subjects for students in kindergarten through 12th grade. all the countries at the top of the before rankings they do not test yearly. >> it is a growing battle in local communities some parents embrace it, others opt out of the testing what is clear is the fight is far from ore. >> eric is a new jersey resident and edge kay can tor, and a supporter of common core, he is also the former vice president of national policy for the nonprofit students first he is in our studio tonight. >> thank you. >> what do you think of kristy's move? >> i think it is disappointing and confusing?

>> why. >> just five years ago he was one of the leading governors and a great commissioner, they were getting around a lot of reform, and then you contrast that today that he ising is guesting they were developed in washington that's not true. he is saying common core doesn't work, but he has a commission that doesn't deliver a report, so i am not sure. >> a governor that may be running for president some of what he said may be politic call, but there's plenty who strongly disagree. who think they shouldn't be toasted -- they should be educated what do you say to them. >> i thirst first it is important to differentiate the testing from the standards. i think there's a lot of fervor around the testing this' been frustration, and parents are feeling confused like maybe they are being

overtested. >> they feel they are being taught for the toast. >> right. >> but that's not the standard themselves. >> well, they are being taught the standards in order to take the test. >> sure -- >> i am just going to lay out some of the arguement, the arguement is that the real education of their children is not happening because this program, is getting in the way. what do you say to that? >> what i would suggest is what governor cristty said today won't do anything about that because he indicated they are sticking with the tests. >> but tell me why it is a good thing? why this program why you believe it is good for children? because less than half the students in new jersey are proficient in reading in the 8th grade. less than half. when you look at the achievement gap within with the state, it is even worse. double dibble gaps between students that are well off and white students. >> and the argument is you institute when they aren't ready and didn't start them

at kindergarten. >> argument is you need stan cards early, the research is really clear that students of color, low income, they are met with lower expectations what we know about teaching is when you give higher standards the kids rise to the occasion can. >> if you don't prepare for them. >> we have to prepare them even younger. >> isn't that the problem? part of the problem that they are talking about. >> we have to separation the frustration is not related to the parents whose students are being underserved and who need better education. >> i know you say the parents move won't go very far but what if it does? i think that real leadership right now would be to say we are listening to concerns we aring looking at the tests we are looking at how local districts are implements tests and we are going to work on the problems. but sticking with higher standards and pushing students to get to even

higher expectations is the right course. >> good to see you, thank you very much. >> thank you. >> former new york governor george pataki has joined a list of republicans running for president. he made his announcement today in hall ham. home to the first primary. and he took issue with hillary clinton claim that democrats are the party that speaks to middle class. >> unhess they mean someone who charges a poor country $500,000 for a half hour speech, that's their parties candidate. she speaks for the middle class? they are the party of privilege, we are the party of the middle class. >> pataki served three terms as governor of new york, he has been out of office since 2006. coming up next oen this broadcast, when the thin blue line gets too thin. the understaffed overworked

police department in new orleans. and why a city can't find or keep enough good officers. and shooting thousands of birds along the columbia river in the pacific northwest. why the government is doing it and why some say it is a mistake.

woe have billboards woe have equipment teams going. >> why they keep quitting and how the city plans to fix it. a murder mystery more than 400,000 years old. >> the fact is they are turning the largest colony in the country. >> racing to save thousands of sea birds from sauter. why the government is killing them to safe salmon.

plus, string theory. >> how two classical musicians found a wow to introduce the chel he to millions of new fans. police in new orleans have a long history of problems from corruption, to a string of misconduct cases. now, they are facing a very different kind of problem not enough officers while crime in h the city is going strong. jonathon martin in new orleans with more, jonathon? >> this is a city that seems some 9 million tourists every year so a shrinking police department becomes an even greater concern.

the few nest more than 35 years. >> it's a problem for the department, it is problem for the public. >> captain michael glassser a 36 year veteran and leads the city's police association. >> when people call for the police it will take them a long time to get there if they do at all. >> the department started to shrink several years ago as new orleans was facing an enormous budget short fall. >> we were not able to hide, we were not able to purchase vehicles that went on for a few years. >> at the same time, the city was using 100 a year, after a string of highway fro file cases in 2012, the department of justice signed a consent

dig crew a electricity of strict reforms with the oversite of a federal monitor. >> it all effects you. >> community activists say the layers of scrutiny have been driving officers away. >> lit be investigated by the independent police monitor. it will be investigated by the public integrity bureau, which is the internal affairs office lit be investigated by the federal consent decree monitor. they are going to turn in their paperwork and go to agencies that don't have this much scrutiny. >> why has it take son long to address this? >> well, we have been working on it for a long tile. >> police chief who was appointed in october, says there's a desperate need to increase the number of officers he says the city has started an all out recruiting blitz. >> we have billboards, we have commercials we have recruitment team going different places. >> he said the department

application process that used to take four months now takes two, and the department has done away with rules requiring officers to willive in the city and have 60 hours of college credit. >> are you finding you are getting quality offers applying in. >> we are and the process is rigorous only 3% make it through. >> but with 30 candidates in the current recruiting class and another 30 expected to graduate this summer, critics say the latest efforts to little to address the larger issue of retention. two didn't still loses about 100 officers every year. >> you can't have a hold this big at the end of the bucket and fit up up with an eye dropper and expect it to work, it doesn't. >> . >> you have to back fill as least as many as you lose. >> glasser says the biggest issue is pay as many who have left, have gone to work for higher paying agencies hike the state police.

however, this month a gradual raise for officers and while glasser agrees that the federal monitoring is necessary, for department with the history of corruption, he says the increased workload that comes with it is draining the already thin resources. especially whenever an officer uses force. they have to ensure that videos are made, they have to review the videos to see if there's any violation who is policing the city. >> that's the $64,000 question you can't without personnel. >> for now louisiana state police have stepped in to help nopd patrol certain areas. they should be willing to do whatever it takes to regain strength the man power issue impacts his neighborhood every day. three times the average

response tile, the fact that in my neighborhood association whenever we ask questions that fall under the category of proactive policing we are told they don't have the man power. >> and again the state police are here helping out new orleans police, but they are only expected to be here until the end of the year, also to fill a gap the city has started what it calls n ol, a patrol, really citizen security force. they patrol areas to free up a hot of the officers to do some of the work. >> federal scrutiny caused some officers to leave the department, how long is the justice department going to oversee the new orleans police department? >> right now at least for five years. it is a five year deal, so at least through went 17, we h see this federal oversight. what happens from there

really depends on the federal judge, will she determines that new orleans police department has really complied and really implemented some of these thing that were ghosted listed. >> all right, jonathon, thank you. baltimore's police are the target of a new justice department investigation. the civil rights probe is looking into allegations of discrimination. and excessive force just a few years ago widespread corruption was uncovered at baltimore's city detention center we get more on that from adam may. >> the location of this center play into the corruption that happened here? >> i think it play as vital role. >> until now ralph johnson has never talked on national t.v., about what he witnessed as a supervising corrections officer, at the baltimore city jail.

what happened? >> it really blossomed out of control in 2004, when the state started hiring 18-year-olds. >> maryland short lived experience hiring male and female officers was intended to address a shortage of allyn't cas willing to take low paying entry level jobs. but critics like johnson who has written a book about the jail say it backfired that the younger c.o.s were inexperienced, untrained, and vulnerable. the veteran inmates they were manipulating they were having sex with them, bringing thing ins, and then it became a money making operation. they are making money from inside the jail? >> they were making a ton of money. it evolved. >> 20 accept corrections

officers were indictedded allegations they helped a prison gain run drugs and launder money. the family gang and their associates were also indicted. the largest prison conspiracy case in recent history. >> her smuggling in heroin, marijuana, cell phones, crack. >> inside the jail, one inmate in particular, tayvon white, was in charge of the widespread black gorilla family gang. and wiretaps he proclaimed this is my jail, and i am the law. what was his life like? was it as lavish as the reports indicate? >> he could have sex any time

he wanted four different women. one woman was smuggling him special percocet pills plus, while he was incarcerated from 09, 2009, to 2013, he bought five vehicles. >>ish more shocking from inside the jail, white fathered five children. with four corrections officers. adam may, al jazeera baltimore. >> and you can see more of adam's report on america tonight, ten eastern time. in washington, d.c., house democrats are demanding the obama administration stop holding migrants in centers that have been compared to prisons. lawyers for some of the family whose have sued the government over those conditions a judge is given both sides two weeks to come up with a plan to figure out what to do, erica talks to a honduran woman who spent 14 months in a pennsylvania detention center with her young son. this is a nightmare for me, i

just want to leave this nightmare. shrouded in darkton protect her identity, christina is like thousands of other migrants who fled, for her leaving home, was a high or death decision. >> i left honduras after my sisters death, because gang members were persecuted me, i had to decide to safe my life. >> she is still afraid of those gangs which is why she is hiding her face, and calling herself kristina, she made the dangerous journey with her 12-year-old son but left ten-year-old son francisco behind. do you miss your other son? >> >> she hoped for a better safer life for her and her son in the united states, but when they were caught at the texas border, they were bussed to a detention center. >> they tie my feet, hand, and waist, i didn't know how to answer him. for the past 14 months they have been living in the

residential center in rural pennsylvania a place kristina calls a prison in reality, it is a prison. it is a jail. it was so bad for us all living in this place all of the mothers living there we would cry every day. ultimately my stop eating. >> these are the conditions kristina and other residents have reported, they say the guards punish women by isolating them in rooms with their children. medical care is inadequate, and only one nurse speaks spanish, they say the food is inedible and there's lit toll do other than menial labor like cleaning bathrooms for 1 dollar as day. right now this center in pennsylvania and two more are on the chopping block. now a federal judge has found the can bees to not meet the standards for holding migrant children but they insist this is the best way to keep the families together, warning for they shut down, many mothers can be forced apart

from their children. >> the government is saying if we have to let the children out we will do that but we will keep the parents locked up to make sure they show up to court and to deter other families from trying to flee for their lyes and come here. >> kristina's lawyer says that approach can force hundreds of migrant children into the american foster care system. kristina agrees. three days after i got out i pinched my article wondering if it was a dream or real. >> while she is relieved she is not free. carrying with her a continue yous reminder. >> it hurts. it is heavy, and uncomfortable, and whenever the battery is low it beeps and i get scared the misare

coming for me. >> it's frustrating when i haven't killed, i haven't robbed anyone. you said you didn't commit a crime, but crossing the board terrorist way that you did with your son is illegal. to me, criminals are people who kill other people. i haven't done anything to anyone. the only thing i did was save my life. this is not a crime. that's erica reporting. we have a update now on a federal program to kill thousands of sea birds in the pacific northwest. activists call it a slaughter, they are now suing and in the meantime, the killing is more started. allen shoff her is along the club yeah river tonight in washington state. >>john, it is going to be a long process which has just begun this week, eventually

11,000 adult birds will be killed it is going to take four years. >> the army core of engineers isn't going to show us what is happening on east sand island the west biggest nesting ground. but the agency confirmed efforts to kill near hi two-thirds of the colony started this week. how effective were the tales in. >> to date, we have oiled sen teen hundred and 69 nests and we have called 109 adult they are going to be shooting. >> bob of the portland odd upon society one of several groups suing to stop the killing, says they'd like a hot more information. than the brief weekly press release the army core is offering. >> i think people have a right to see what the government is doing what they are spending our tax dollars on and what they are doing to our wild life, and no excuse for not being transparent. >> 75 word release that provided no information is

not an acceptable surrogate for that. >> a federal judge has ruled the program can continue while the lawsuit is pending. the core operates dams oen the columbia, which can be deadly for young salmon on their way downstream, noah, the national spheric administration is trying to prop up the salmon population. one method of many the core is using is to kill the bird which is feast on the fish. crediteddics call eight slaughter and say the birds are being blames for what human beings and the dam are doing. they are turning the largest colony into a shooting gallery. they are putting shooters on elevated platforms and high powers rifles and they are killing these birds on their nests as they take care of their eggs. but to the core it is necessary wild life management to help protect the species.

it is estimated these birds eat 11 million salmon every year. the current plan is to kill roughly 30 fie hundred cormorants this summer, and oil the eggs to prevent hatching. >> no big surprises. what exactly is positive. >> positive meaning we are not disbursing birds. >> the core admits it started well behind schedule, because of the legal challenge but that won't change the shooting and egg oiling which could continue through august. federal biologists say 20 years ago this were about 100 mosting pairs on east sand island, now they estimate there are 15,000 every nesting season they would hike to cut that down by about two-thirds. john. >> all right allen half her, allen, thank you. in spain scientists made an astonishing discovery an

ancient skull with injuries inflicted by a weapon. 40 feet down lie thes toized skeletons. dumped in a mass grave. >> scientists have been studying these bones for decades was now one new finding is evidence of a murder. 435,000 years ago. the fact there are two fractures caused by the sail about, either one of which would likely have resulted in the death of this individual, seemed to imply a pretty clear intention to kill. it is not clear for the victim was male or female, but it sheds liability on the social behavior of a species that is not so unhuman.

>> we are not saying that this is a widespread common occurrence. in fact, this is the only clear case of murder in any human fossil that has been done constructed to date. >> these early ancestors lived in small groups and spent their days gathering food for survival, so what could have driven one of them to murder and dump the body down this shaft? >> life was pretty precarious back then, and it is difficult to envision competition between different groups we can't say for sure, the kind of precise circumstances surrounding how this occurred. heying modern humans to speculate on motive and means for a prehistoric mystery. >> and once again, this is only a case so far -- this is the only case so far of a prehistoric murder. coming up next on the broadcast, making the cello cool even sexy, a

conversation with the classical duo, two cellos.

e. >> technology...it's a vital part of who we are >>they had some dynamic fire behavior... >> and what we do.... >> transcranial direct stimulation... don't try this at home! >> tech know's team of experts show you how the miracles of science... >> this is my selfie... what can you tell me about my future? >> ...can effect and surprise us... >> sharks like affection >> tech know where technology meets humanity... only on al jazeera america >> a classical train musician from croatia. they are best nonfor their

instrumental versions of classic rock and pop. their cover of ac, canc thunder struck has received almost 40 million views on youtube. >> great to see you. you are f laking rat you are watching that video and bouncing at the same tile. what makes you laugh. >> his face. >> how did this start? it started very spontaneously, we come from the same environment, same cub, we always wanted to do something tot you know. and when we joined forces everything just exploded it was like destiny. >> how old were you? >> when we started playing together, 4 1/2 years ago so i was 11. but you were kind of rivals is that what i understand? >> yeah. >> it is amazing story.

we were rivals and now and now we decided to join forces and then we created something completely different. yoked out as children playing classical music. >> yeah. and then you took it to this level, how does that happen. >> well, we felt our creativity is limited. because we had so many different ideas we like all kinds of music film music and everything, and cello itself has so many different possibilities. and we just wanted to take advantage of it, and expand and be cool as well. so it can appeal to wide audience you know, especially a younger generation. >> your first youtube video smooth criminal went viral. >>

>> we always knew youtube is a great platform for musicians especially for instrumental musicians to share their music and we filmed a video back in croatia, which on youtube and it just went viral straight away. so you have millions of viewers you are opening for people like elton john, you are doing rock & roll music do you see yourself as sex symbols? as rock stars. >> question we see yourselves -- >> firstly as musicianed, music is the most important. >> as humans first. >> oh, okay. >> and then as musicians. >> and then you go to highway to held, take a look at this.

what was the attraction to acdc's music? >> well, we discovered acdc and we wanted to -- they are the ultimate rock band, and their simplicity is just so powerful. they go straight to your heart, it is like pure power of rock and roll. >> if mott zahrt were alive he would love it. >> you sure. >> he was a rockster back then. when you launched to cellos when you came together, did you really want to change the way people viewed the cello? >> yeah. >> classical music. >> definitely. because cello is capable of doing so many amazing things

that noun with is aware of. not even classical music doesn't abelong among popular instruments we just wanted to show people how can you can use nit so many ways and expand the possibilities. >> the new album came out cello verse in january you have been on tour. what's next. >> well, during our u.s. tour he had a neck injury. because he was head banging too must have. >> he was head banging. >> yes. >> so we had to cancel, unfortunately we had to cancel sick teen sold out shows but now he is well again. >> you are okay now. >> let's see. >> so we are going back on the road, next month. >> ready to bang again. >> great to meet you guys

continued success, you clearly are a phenomenon and proud to have you on the program, good luck to you. >> thank you. >> that's our broadcast thank you for watching the news continues.

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