a couple of hours outside the capital phnom penh. somaly mam tells of being abandoned by her parents as a young child, and becoming a slave to a man she referred to as her grandfather. this man, she says sold her has a virgin and after that she was sold into a brothel where she was abused. come to this village where she grew up with this grandfather, and they tell you a different story. our first stop is the former commune chief. and he says somaly mam came to the village with her parents, not her grandfather. >> translation: both of her parents were teachers and moved to teach around 1981. i don't know how old she was. she was still at school. >>> around the corner down the road lives another man. the principal of somaly mam's school from 1983 to 2005. >> translation: i assure you i knew somaly mam well for about three years. >>> he says her father was on his staff. >> translation: i heard rumours in the village saying somaly mam was adopted. all i know both called each other father and daughter >>> former classmate is preparing lun

turning phnom penh into a ghost town. >> the people were flooding out of the city.ome carrying belongings and some carrying rice. i have nothing. my relatives took a little bit of rice. we were only going away for three days, so why would we need to bring so much? >> 16 of his family died during the four years of khmer rouge terror including his father, three brothers, and sister. the school where he taught was converted into a notorious prison where opponents were tortured and killed. it now stands as a gram and permanent memorial to those who died and a reminder of pol pot's crimes. molly: authorities in rio de janeiro have removed more than 37 tons of dead fish fish for -- from a late set to host sporting events next year. an unwelcome light on the city's pollution problems, as kate explains. kate: a postcard setting marred by thousands of rotting dead fish. the fish began floating to the surface at the rodrigo de freitas lake a week ago. the phenomenon continues. >> there are a lot of dead fish. we work every day, we do not rest. the cleaning services are workin

we report from phnom penh. >> the two men met at graduate school in yokohama 40 years ago. one was studying economics but a year and a half after the follow of phnom penh he decided to return home. he had to suspend his academic career in japan. the other man became a professor at another university. he was worried about his friend's whereabouts and decided to track down his old friend several years ago. >> translator: i just wanted to look for him in the hope of finding him alive. that's how i felt. >> reporter: documenting the university archives reveals why he decided to go back to cambodia despite the political confusion. he wrote he was returning because the country was attempting to rebuild itself. he said it was a crucial moment for him as well. the cambodian student had a strong sense of mission, must have had misgivings but returned home at the urging of the new revolutionary government. >> translator: he kept telling me he was worried about his family and his country. >> reporter: the khmer rouge regime forced ahead with extreme social reforms. people from cities

more than 15,000 people were killed by the khmer rouge in this notorious prison in phnom penh. most of the victims themselves were members of the khmer rouge. this is a historian of the pol pot regime. he says the system was riddled with fears of traders from within its own ranks. >> we had to know that during the khmer rouge there was a lot of suspicion around them. not only the normal people they arrest and tortured, but also within the system. reporter: many of the perpetrators see themselves as victims. he regularly visits and interviews members of the khmer rouge for his research. this man is one of them. he says he was 16 years old and the khmer rouge recruited him to work as a guard in an internment camp. he has asked to remain anonymous. >> people were interrogated, tortured and killed in the camp. their individual fate depended on the gravity of their perceived offenses. reporter: his job was to administer a list of suspects names. he says he never committed any act of violence himself. >> under pol pot there was no choice. you had to obey all orders. otherwise you wer

. >>> it is has been 40 years since fighters first marched into the cambodian capitol phnom penh.mated 2 million cambodians were killed during the four-year rule of pol pot. >>> amnesty international says the jail of a political leader is persecution. her lawyers say she will appeal against the conviction for leaking state secrets to foreign news organizations. the 71 year old became famous for her hard hitting reports on the elite. >> reporter: the conviction of the 71 year old journalist comes as no surprise to those watching here as the state also controls china's court. he was arrested for divulging state secrets. the secret in question is a memo known as document number 1. in that document it is revealed that the chinese party leadership is concerned over the infiltration of western ideals which could corrupt and lead to the disintegration of china's leadership. it came out that the political reform that the chinese government has been talking about is possibly not true. that he intends to keep things exactly as they are, and the human rights violations that are seen will con

. >> reporter: they had wanted to settle in australia, but will have to settle for a suburb of phnom penhcal sites are not quite what they would have expected either. this man knows all about the hardships of being a refugee here. coming from the community in myanmar, he has been here for five years. his daily routine starts in the one room that he pays $50 a month for, making the dough for his street food business. >> in cambodia everything is not easy. because as a refugee, i cannot find a job, because i have no recommendation letter id card or any identification. >> reporter: he was given financial assistance to start his business the new arrivals will get not only help to start businesses but also the official paperwork to start a new life. the deal makes these new rivals vip refugees. what the refugees can expect is a five-page letter distributed to potential newcomers with details from the cost of living to the job training and medical support they will receive. the message seems to be it may not be australia, but it's as good as it's going to get, and it carries a warning that if t

one survey on a treacherous stretch of road north of phnom penh showed that only 24% of drivers wore helmets during the daytime, with that figure dipping to 5% after dark. that sort of weak compliance means youtube videos like this featuring cambodian youth performing daredevil stunts, all without helmets. advocates of better helmet laws, say targeted education is needed. >> people know well about the benefit from helmet wearing, however there were some misperceptions about that, that helmet wearing was not needed for short distance or when they travel at low speed. >> sreenivasan: the growing numbers of child passengers, prompted the asia injury foundation to find ways to get affordable helmets onto small heads. >> since we started our "helmets for kids" initiative in 2006, we have donated around 20,000 helmets cambodian students, teachers, and also road users in cambodia. we were able to build the first ever non-profit helmet factory in vietnam and all the profit from helmet selling will be returned to invest in road safety. we hope we will be able to build a non-profit helmet fact

the phnom tamao animal protection center is located outside phnom penh.he employees of wildlife alliance take care of more than 1,200 animals that have been seized by the authorities. nick marx is the director of the organization, one of the few of its kind in asia. he's the head caretaker for more than 100 different species, all of which are in the sights of hunters and sellers. >> the thing about serow is they're very highly prized, both medicinally and as food. so they're heavily hunted, they're becoming increasingly endangered. they love salt. that's the other thing. they lick, lick, lick. it's a demonstration of what the illegal trade in wildlife is and what is doing to the species as well as every other species, driving so many formerly fairly common species to extinction. >> more than 50 attendants and veterinarians work at phnom tamao, which is funded by the government as well as through donations. the environmental activist has been ensuring better care for the animals for the past 13 years. >> often we receive animals in serious conditions. very

. >> today marks 40 years since the khmer rouge took over, phnom penh, it is estimated that 1.7 million cambodians died under communist rule. two of the top figures for khmer rouge regime are currently under trial, two others have been convict id for crimes against humidityity. >> standing up in solidarity for prisoners behind bars. >> prisoner day clark with israeli soldiers. >> and they keep coming, more migrants arriving on italian shores strange italy's shelter system. >> israeli police fired tear gas at west bank protesters for the second day. to mark palestinian prisoners day were throwing rocks at israeli troops. >> in contrast we look at palestinian prisoners day first observed in 1974 in solidarity with palestinians jailed by israeli military. >> held by administrative detention. reporting how palestinians are affected. >> these pictures show prisoners rounded up, reflected almost every night. israel holds 6,000 palestinians in its prisons 450 held in administrative detention. this means holding palestinians without charge or trial on indefinite military orders. a hamas represe