Armstrong May Testify Under Oath on Doping













Facing a federal criminal investigation and a deadline that originally was tonight to tell all under oath to anti-doping authorities or lose his last chance at reducing his lifetime sporting ban, Lance Armstrong now may cooperate.


His apparent 11th-hour about-face, according to the U.S. Anti Doping Agency (USADA), suggests he might testify under oath and give full details to USADA of how he cheated for so long.


"We have been in communication with Mr. Armstrong and his representatives and we understand that he does want to be part of the solution and assist in the effort to clean up the sport of cycling," USADA CEO Travis T. Tygart said in a written statement this evening. "We have agreed to his request for an additional two weeks to work on details to hopefully allow for this to happen."


Neither Armstrong nor his attorney responded to emails seeking comment on the USADA announcement.


The news of Armstrong's possible and unexpected cooperation came a day after ABC News reported he was in the crosshairs of federal criminal investigators. According to a high-level source, "agents are actively investigating Armstrong for obstruction, witness tampering and intimidation" for allegedly threatening people who dared tell the truth about his cheating.








Lance Armstrong Under Criminal Investigation Watch Video









Lance Armstrong Breaks Down: Question Pushes Cyclist to Brink Watch Video









Lance Armstrong Shows His Emotional Side With Oprah Winfrey Watch Video





The case was re-ignited by Armstrong's confession last month to Oprah Winfrey that he doped his way to all seven of his Tour de France titles, telling Winfrey he used performance-enhancing drugs throughout his career and then lied about it. He made the confession after years of vehement denials that he cheated.


READ MORE: Armstrong Admits to Doping


READ MORE: Lance Armstrong May Have Lied to Winfrey: Investigators


WATCH: Armstrong's Many Denials Caught on Tape


If charges are ultimately filed, the consequences of "serious potential crimes" could be severe, ABC News legal analyst Dan Abrams said -- including "possible sentences up to five, 10 years."


Investigators are not concerned with the drug use, but Armstrong's behavior in trying to maintain his secret by allegedly threatening and interfering with potential witnesses.


Armstrong was previously under a separate federal investigation that reportedly looked at drug distribution, conspiracy and fraud allegations -- but that case was dropped without explanation a year ago. Sources at the time said that agents had recommended an indictment and could not understand why the case was suddenly dropped.


"There were plenty of people, even within federal law enforcement, who felt like he was getting preferential treatment," said T.J. Quinn, an investigative reporter with ESPN.


The pressures against Armstrong today are immense and include civil claims that could cost him tens of millions of dollars.


Armstrong is currently serving a lifetime ban in sport handed down by the U.S. Anti-Doping Agency, and today was the deadline he was given to cooperate under oath if he ever wanted the ban lifted.


READ MORE: 10 Scandalous Public Confessions


PHOTOS: Olympic Doping Scandals: Past and Present


PHOTOS: Tour de France 2012


ABC News' Michael S. James contributed to this report.



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Today on New Scientist: 5 February 2013







Engineering light: Pull an image from nowhere

A new generation of lenses could bring us better lighting, anti-forgery technology and novel movie projectors



Baby boomers' health worse than their parents

Americans who were born in the wake of the second world war have poorer health than the previous generation at the same age



New 17-million-digit monster is largest known prime

A distributed computing project called GIMPS has found a record-breaking prime number, the first for four years



Cellular signals used to make national rainfall map

The slight weakening of microwave signals caused by reflections off raindrops can be exploited to keep tabs on precipitation



NASA spy telescopes won't be looking at Earth

A Mars orbiter and an exoplanet photographer are among proposals being presented today for how to use two second-hand spy satellites that NASA's been given



China gets the blame for media hacking spree

The big US newspapers and Twitter all revealed last week that they were hacked - and many were quick to blame China. But where's the proof?



Nobel-winning US energy secretary steps down

Steven Chu laid the groundwork for government-backed renewable energy projects - his successor must make a better case for them



Sleep and dreaming: Where do our minds go at night?

We are beginning to understand how our brains shape our dreams, and why they contain such an eerie mixture of the familiar and the bizarre



Beating heart of a quantum time machine exposed

This super-accurate timekeeper is an optical atomic clock and its tick is governed by a single ion of the element strontium



A life spent fighting fair about the roots of violence

Despite the fierce conflicts experienced living among anthropologists, science steals the show in Napoleon Chagnon's autobiography Noble Savages



Challenge unscientific thinking, whatever its source

Science may lean to the left, but that's no reason to give progressives who reject it a "free pass"



Need an organ? Just print some stem cells in 3D

Printing blobs of human embryonic stem cells could allow us to grow organs without scaffolds



Ice-age art hints at birth of modern mind

An exhibition of ice-age art at London's British Museum shows astonishing and enigmatic creativity





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Walking School Bus to ensure safe, enjoyable route for kids






SINGAPORE: Some pre-school children will be walking to and from school, in what's called the Walking School Bus.

They'll take a safe and enjoyable route, accompanied by adults.

The walk can be an informal affair or a structured arrangement with meeting points, a timetable and a schedule.

Children from PCF Tanjong Pagar-Tiong Bahru in Kim Tian Road are the first to try out the Walking School Bus - a free service by the Health Promotion Board (HPB) to get children to be physically active for up to three hours a day.

Walking School Buses are also practised in the United Kingdom, Europe, North America, Australia and New Zealand.

Walking can also help to save money, especially for those who use public transport when the pre-school centre is one or two bus stops away.

Pre-schools can apply to HPB for funding to organise their own Walking School Bus and activities that promote good health.

Besides walking, a series of fun dance routines with pre-school themes will be developed.

The first routine is ready and will be available on DVD to all childcare centres and kindergartens as well as parents.

These fun dance routines can be integrated into curriculum time to improve music and movement skills, or into subjects such as mathematics or numeracy to make lesson time more lively.

Over the next two years, HPB and KK Women's and Children's Hospital will jointly develop more fun dance routines.

- CNA/ck



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DreamWorks CEO Katzenberg sees big profit in small screens




Consumers will eventually pay less for entertainment streamed to smaller devices, with studios and distributors basing prices on the size of the destination device, movie mogul Jeffrey Katzenberg predicted today.


A tiered pricing market, in which people paid less to see a movie on a cell phone than a theater, would result in greater consumption in developing markets where people depend more on their mobile devices for entertainment, the DreamWorks Animation SKG chief executive said today at the Founders Forum conference on digital media in Los Angeles.


"People will pay by the square inch," Katzenberg said, according to a Bloomberg account. "If a cell phone version is 75 cents, you'll get 350 million people in India to pay that."




The new pricing model could help increase video distribution sales in the international market, where revenue dwarfs sales in the U.S. and Canada by a 2-to-1 margin. Box office receipts in the U.S. and Canada totaled $10.2 billion in 2011, while international sales brought in $22.4 billion, according to the Motion Picture Association of America (PDF). The MPAA recognizes the importance of the international market, where the industry's percentage of revenue has steadily increased over the past four years.


The studios are moving toward new revenue streams, even at the cost of alienating traditional money makers. Katzenberg's DreamWorks signed a licensing deal in 2011 to provide movies and specials to Netflix, replacing a less lucrative deal with HBO. The deal, which is estimated to be worth $30 million per movie, was billed as the first time a studio chose Web streaming over pay TV.

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The Real Richard III


It's a question that actors from Laurence Olivier to Kevin Spacey have grappled with: What did Richard III, the villainous protagonist of Shakespeare's famous historical drama, really look and sound like?

In the wake of this week's announcement by the University of Leicester that archaeologists have discovered the 15th-century British king's lost skeleton beneath a parking lot, news continues to unfold that helps flesh out the real Richard III.

The Richard III Society unveiled a 3D reconstruction today of the late king's head and shoulders, based on computer analysis of his skull combined with an artist's interpretation of details from historical portraits. (Related: "Shakespeare's Coined Words Now Common Currency.")

"We received the skull data before DNA analysis confirmed that the remains were Richard III, and we treated it like a forensic case," said Caroline Wilkinson, the University of Dundee facial anthropologist who led the reconstruction project. "We were very pleasantly surprised by the results."

Though Shakespeare describes the king as an "elvish-marked, abortive, rooting hog," the reconstructed Richard has a pleasant, almost feminine face, with youthful skin and thoughtful eyes. His right shoulder is slightly higher than the left, a consequence of scoliosis, but the difference is barely visible, said Wilkinson.

"I think the whole Shakespearean view of him as being sort of monster-like was based more on his personality than his physical features," she reflected.

Look back at 125 years of National Geographic history

People are naturally fascinated by faces, especially of historical figures, said Wilkinson, who has also worked on reconstructions of J.S. Bach, the real Saint Nicholas, the poet Robert Burns, and Cleopatra's sister.

"We make judgments about people all the time from looking at their appearance," she said. "In Richard's case, up to now his image has been quite negative. This offers a new context for considering him from the point of view of his anatomical structure rather than his actions. He had quite an interesting face."

A Voice From the Past

Most people's impression of Richard's personality comes from Shakespeare's play, in which the maligned ruler utters such memorable lines as "Now is the winter of our discontent/Made glorious summer by this son of York," and "A horse! A horse! My kingdom for a horse!"

But how would the real Richard III have expressed himself? Did he have an accent? Was there any sense of personality or passion in his choice of words?

To find out more about the mysterious monarch, Philip Shaw, a historical linguist at University of Leicester's School of English, analyzed the only two known examples of Richard III's own writing. Both are postscripts on letters otherwise composed by secretaries—one in 1469, before Richard became king, and one from 1483, the first year of his brief reign.

Shaw identified a quirk of spelling that suggests that Richard may have spent time in the West Midlands, or perhaps had a tutor who hailed from there.

"I was looking to compare the way he spells things with the way his secretaries spell things, working on the assumption that he would have been schooled to a fairly high level," Shaw explained.

Read about National Geographic explorers on our Explorers Journal blog

In the 1469 letter, Richard spells the word "will" as "wule," a variation associated with the West Midlands. But Shaw also notes that by 1483, when Richard wrote the second letter's postscript, he had changed his spelling to the more standard "wyll" (the letters 'i' and 'y' were largely interchangeable during that period of Middle English).

"That could suggest something about him brushing up over the years, or moving toward what would have been the educated standard," Shaw said, noting that the handwriting in the second example also appears a bit more polished. "One wonders what sort of practice and teaching he'd had in the interim."

Although it's hard to infer tone of voice from written letters, there is certainly emotion in the words penned by Richard III.

In the 1469 letter, the 17-year-old seeks a loan of 100 pounds from the king's undertreasurer. Although the request is clearly stated in the body of the letter, Richard adds an urgent P.S.: "I pray you that you fail me not now at this time in my great need, as you will that I show you my good lordship in that matter that you labour to me for."

That could either be a veiled threat (If you don't lend me the money, I won't do that thing you asked me to do) or friendly cajoling (Come on, I'm helping you out with something, so help me out with this loan).

"His decision to take the pen himself shows you how important that personal touch must have been in getting people to do something," Shaw said.

The second letter, written to King Richard's chancellor in 1483, also conveys a sense of urgency. He had just learned that the Duke of Buckingham—once a close ally—was leading a rebellion against him.

"He's asking for his Great Seal to be sent to him so that he can use it to give out orders to suppress the rebellion," Shaw said. "He calls the Duke 'the most untrue creature living. You get a sense of how personally let down and betrayed he feels."

Shaw said he hopes his analysis—in combination with the new facial reconstruction—will help humanize Richard III.

"He probably wasn't quite the villain that Shakespeare portrays, though I suspect he was quite ruthless," he said. "But you probably couldn't afford to be a very nice man if you wanted to survive as a king in those days."


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Ice-age art hints at birth of modern mind



Sumit Paul-Choudhury, editor


don-valley-figurines.jpg

Figurines from the Don river valley (Images: Kirstin Jennings)


The world’s oldest portrait, the world’s first fully carved sculpture, the world's oldest ceramic figure, the world’s earliest puppet - there’s no shortage of superlatives in the new exhibition of art from the ice age at the British Museum in London


But focus too closely on the exhibits’ record-breaking ages alone, and you might miss the broader point: these beautiful objects are the earliest evidence we have of humans who seem to have had minds like ours.






lionman.jpg

Consider, for example, the "lion man" found in 1939 in south-west Germany’s Stadel cave (pictured above). As the name suggests, this statue, standing 30 centimetres tall, harmoniously combines human and leonine features: the head is unmistakeably a lion’s, while the body and lower limbs are more human.


This is clearly the product of artistic creativity rather than a naturalistic drawing from life - suggesting that whoever carved it some 40,000 years ago had the capacity to express their imagination, as well as to replicate what they saw around them.


The temptation to speculate about what symbolic meaning the lion man might have had is, of course, irresistible. It was clearly valuable, taking around 400 hours and enormous skill to carve from a single piece of mammoth ivory.


The exhibition also includes a second, much smaller, feline figure found in another cave nearby, pointing to the idea that such imaginative objects might have cultural significance, perhaps as ritual objects within a shamanic belief system, rather than being isolated art objects.


Given what we know of modern traditions, that would make sense - but there is no hard evidence that anything resembling those traditions existed in Europe during the ice age.


Almost every object on show invites similarly thought-provoking consideration. Thumb-sized figurines from settlements along Russia's Don river (top) seem to present a woman's perception of her own pregnant body in an age before mirrors: no face, bowed head, the shelf of the bosom, the protrusion of the hips and buttock muscles and the swell of the belly. Were they carved by the women themselves, perhaps as protective talismans for themselves or their unborn children? And if so, what are we to make of those that were apparently deliberately destroyed subsequently?


Only a few of the animal models found at the Czech site of Dolní Věstonice are intact. The rest had shattered into thousands of clay fragments when they were heated while still wet. This must also have been deliberate: was the dramatic shattering part of a rite?


A tiny relief of a human figure with upraised arms invites interpretation as a celebrant or worshipper. Was he or she participating in a ceremony to promote social cohesion during tough times - perhaps to the accompaniment of music played on instruments such as the flute displayed nearby, which is precisely carved from a vulture's wing-bone?


Such interpretations deserve a healthy dose of caution, of course. The note accompanying an elegantly carved water bird (perhaps a cormorant) found near the smaller lion man drily reads: "This sculpture may be a spiritual symbol connecting the upper, middle and lower worlds of the cosmos reached by a bird that flies in the sky, moves on land and dives through water. Alternatively, it may be an image of a small meal and a bag of feathers."


In the total absence of documentary evidence, there is no way of telling which is correct: archaeological material might help clarify the utilitarian perspective, but it is far less helpful when it comes to discovering any symbolic value.


In any case, there is very little archaeological evidence on display at the British Museum. Curator Jill Cook says she was keen to avoid exhausting visitors with copious background material about the evolutionary and environmental contexts in which these objects were made.


Humans were capable of complex behaviour long before they reached Europe - as demonstrated by discoveries such as the 100,000-year old "artist's workshop" in South Africa's Blombos cave - but Cook thinks the explosion of art among Europeans 40,000 years ago may reflect changing social needs during the ice age.


When Homo sapiens first arrived in Europe some 45,000 years ago, "the living was initially probably reasonably easy", explains Cook. They would have found temperatures only about 5 °C lower than they are now, she says, and grassy prairies would have been well stocked with bison. As the human population grew, they would have had to find new ways of building, socialising and organising themselves.


“And as it turns desperately cold, around 40,000 years ago, suddenly we have all this art," she says.


That may have reflected the need to communicate and develop ideas - a need pressing enough for people to spend hundreds of hours creating objects that generally seem to have had little quotidian function.


"This is all about planning and preconceiving and organising and collaborating and compromising," suggests Cook, "and that is something art and music helps us do."


The dazzling array of objects on display, spanning tens of thousands of years, anticipate practically every modern artistic tradition. The first portrait, dating back 26,000 years, includes closely modelled details of its female subject's unusual physiognomy, perhaps the result of an injury or illness.


But nearby is an extraordinary figure of similar age whose facial features are utterly abstract, resembling a visor with a double slit in it.


picasso-inspiration.jpg

Another (above) has a body whose angular patterns anticipate Cubism by some 23,000 years: Picasso kept two copies of it in his studio. Elsewhere, there are doll-like models of women with stylised faces, and female forms streamlined into little more than slender, strategically curved lines.


movement.jpg

Representations of animals, too, come in all forms, from incredibly realistic illustrations scratched onto stone or ivory, to elegantly minimal sculptures; there are even carvings designed to create the illusion of movement when viewed from different angles or rotated (above) - a form of prehistoric animation.


The masterpieces in the latter part of the show include - and sometimes combine - both precisely observed, superbly rendered naturalism, and more abstract work that is still beautiful, but much harder to interpret.


tusks.jpg

Carved mammoth tusks


"The brain likes to tease us," says Cook. "We don't just represent things with great realism and naturalism, we like to break things down into patterns. That sparks your imagination, and makes you curious and questioning.


“What’s so spectacular about the modern brain, and the mind that it powers, is that it doesn't just make everything simple, it pushes us to new ideas and new thoughts."


After tens of thousands of years, the objects displayed in this extraordinary exhibition still have the power to do just that.


Ice Age Art: Arrival of the modern mind runs at the British Museum from 7 February 2013



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Third world is swamped with fake TB drugs: study

 





PARIS: Africa, India and other developing countries are awash in fake or sub-standard drugs for tuberculosis, fuelling the rise of treatment-resistant strains of TB, according to a survey published on Tuesday.

Investigators in the United States asked local people in 19 cities in 17 countries to purchase isoniazid and rifampicin, the frontline antibiotics for TB, from a private-sector pharmacy.

The samples were then examined by chromatography, a technique that detects chemical signature, for their active ingredient.

They were also tested for disintegration, to see if they properly broke up in water at body temperature within 30 minutes.

Out of 713 samples, 9.1 percent failed these basic quality control tests, according to the probe, published in the International Journal of Tuberculosis and Lung Disease.

Around half of the failed samples had zero active ingredients, "making them likely to contribute to drug resistance," it said.

Resistance to TB drugs develops when treatment fails to kill the bacteria that causes it -- either because the patient fails to follow their prescribed dosages or, as in this case, the drug doesn't work.

It can also be contracted through rare forms of the disease that are directly transmissible from person to person.

Dud drugs were manufactured by legitimate companies and criminal fraudsters, said the report.

The pharmacies where the drugs were purchased were in Luanda, Angola; Sao Paulo, Brazil; Beijing, China; Lubumbashi, Democratic Republic of Congo; Cairo, Egypt; Addis Ababa, Ethiopia; Accra, Ghana; Chennai, Delhi and Kolkata, India; Nairobi, Kenya; Lagos, Nigeria; Moscow, Russia; Kigali, Rwanda; Dar-es-Salaam, Tanzania; Bangkok, Thailand; Istanbul, Turkey; Kampala, Uganda; and Lusaka, Zambia.

The failure rate was 16.6 percent in Africa, 10.1 percent in India and 3.9 percent in Brazil, China, Thailand, Turkey and Russia.

Nearly nine million people around the world have TB, including more than 400,000 with a multidrug-resistant form of the disease, according to estimates for 2011 compiled by the World Health Organisation (WHO).

TB is one of the world's deadliest diseases. It is spread from person to person through the air and usually affects the lungs, but it can also affect other parts of the body such as the brain and kidneys.

-AFP/gn




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Microsoft and Huawei debut Windows Phone for Africa



New Huawei Windows Phone, called Huawei 4Afrika, to be introduced in Africa.



(Credit:
Microsoft)


Microsoft and Huawei announced today that they're partnering to bring a new Windows Phone to Africa. The two companies are targeting the continent, which is one of the fastest growing technology markets in the world but has seen few smartphones to date and whose majority of users still rely on feature phones.

"We believe there has never been a better time to invest in Africa and that access to technology -- particularly cloud services and smart devices -- can and will serve as a great accelerator for African competitiveness," president of Microsoft International Jean-Philippe Courtois said today in a statement.

Dubbed Huawei 4Afrika, the smartphone will be the first in a series of devices being created for the region. The phone is expected to roll out in Angola, Egypt, Ivory Coast, Kenya, Morocco, Nigeria, and South Africa later this month.

Microsoft is focusing on Africa and it's population of more than 1 billion to get a stronger hold on the smartphone market. The company said that more than 90 percent of all the phones sold in Kenya and Nigeria are feature phones. Besides Huawei, Microsoft has also worked with HTC, Samsung, and Nokia in developing Windows Phone devices for the continent.

Huawei 4Afrika is similar to the Ascent W1, which Huawei debuted at CES. It has a 4-inch 480 x 800 display, dual-core 1.2 GHz Snapdragon processor, front- and rear-facing cameras, and 4GB of internal storage. The device is available in blue, red, black, and white. It comes preloaded with custom apps made by African developers for local consumers.

Besides giving users access to apps, the smartphone is also expected to be one of the primary ways that people will be able to access the Internet. The smartphone is intended for middle-income users, such as students, small-business owners, and developers. According to The New York Times, it will cost $150.

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Space Pictures This Week: A Space Monkey, Printing a Moon Base

Illustration courtesy Foster and Partners/ESA

The European Space Agency (ESA) announced January 31 that it is looking into building a moon base (pictured in an artist's conception) using a technique called 3-D printing.

It probably won't be as easy as whipping out a printer, hooking it to a computer, and pressing "print," but using lunar soils as the basis for actual building blocks could be a possibility.

"Terrestrial 3-D printing technology has produced entire structures," said Laurent Pambaguian, head of the project for ESA, in a statement.

On Earth, 3-D printing, also known as additive manufacturing, produces a three-dimensional object from a digital file. The computer takes cross-sectional slices of the structure to be printed and sends it to the 3-D printer. The printer bonds liquid or powder materials in the shape of each slice, gradually building up the structure. (Watch how future astronauts could print tools in space.)

The ESA and its industrial partners have already manufactured a 1.7 ton (1.5 tonne) honeycombed building block to demonstrate what future construction materials would look like.

Jane J. Lee

Published February 4, 2013

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Sarai Sierra's 2 Young Boys Don't Know Mom's Dead













The two young sons of slain New York mom Sarai Sierra are under the impression that their father has gone to Turkey to bring their mother home - alive.


Sierra, whose battered body was found near a highway in Istanbul over the weekend, was the mother of two boys aged 9 and 11.


Steven Sierra, who went to Istanbul in search of his wife after she disappeared nearly two weeks ago, told his children that he was going to Turkey to bring their mom home.


"The father will be speaking to them and it's something that's going to be hard and he's going to be talking to them when he comes back," Betsy Jimenez, the mother of Sarai Sierra, said today during a family news conference.


State Representative Michael Grimm said Steven Sierra's biggest concern is telling his children that mom's not coming home.


"It's going to be the hardest thing he's ever going to have to do in his life," said Grimm, who added that the Staten Island family isn't sure when Steven Sierra will be able to bring home his wife's body.


An autopsy was completed Sunday on Sarai Sierra, 33, but results aren't expected for three months. Turkish officials however said she was killed by at least one fatal blow to her head.


A casket holding the Staten Island mother was carried through alleyways lined with spice and food stalls to a church, where the casket remained on Monday.


Turkish police hope DNA samples from 21 people being questioned in the case will be key to finding the perpetrators, the Associated Press reported, according to state run media.








Sarai Sierra's Body Found: Missing New York Mom Found in Turkey Watch Video









Body Found in Search for Missing Mother in Turkey Watch Video









Vanished Abroad: US Woman Missing in Turkey Watch Video





Earlier this week, it was also reported that Turkish police are speaking to a local man who was supposed to meet Sierra the day she disappeared, but he said she never showed.


After an intense search for Sierra that lasted nearly two weeks, her body was found Saturday near the ruins of some ancient city walls and a highway. Sierra was wearing the same outfit she was seen wearing on surveillance footage taken at a food court and on a street the day she vanished, Istanbul Police Chief Huseyin Capkin said.


Sierra's body was taken to a morgue, Capkin said, and was identified by her husband.


It did not appear she had been raped or was involved in any espionage or trafficking, Capkin said.


Betsy Jimenez said Monday that her family has many unanswered questions such as what happened to her daughter after she left her hotel room to go and take photographs of a famous bridge.


"They're still investigating so they might think it might be a robbery, but they're not sure," said Jimenez.


Sierra, who had traveled to Istanbul on Jan. 7 to practice her photography hobby, was last heard from on Jan. 21, the day she was due to board a flight home to New York City.


Dennis Jimenez, Sierra's father, told reporters Monday that he didn't want her to go on the trip.


"I didn't want her to go. But, she wanted to go because this was an opportunity for her to sightsee and pursue her photography hobby because Turkey was a land rich with culture and ancient history and she was fascinated with that," said Jimenez.


While in Istanbul, Sierra would Skype with her family and friends daily, telling them about how amazing the culture was.


Sierra's best friend Maggie Rodriguez told ABC News that she was forced to pull out of the trip at the last minute because she couldn't afford it. That's why Sierra traveled alone.


Her husband, Steven Sierra, and brother, David Jimenez, traveled to Istanbul last Sunday to meet with American and Turkish officials and push the search forward.






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