tantalum, tungsten, tin, and gold have all been linked to violence in eastern congo by rebel groups and the congolese army. >> millions of people have been killed in the congo over the past decade. i want to see peace in the congo. >> the same minerals are used to make common electronics,that are sold all over the world. but in 2010, after months of lobbying by advocacy groups an obscure resolution called section 1502, was dropped into the dodd-frank wall street reform act. it means publicly traded companies are now required to track whether their products contain conflict minerals from congo. some of the top tech brands are taking credit for reducing violence here -- with the world's largest chip-maker intel even claiming that some of their products are now "100% conflict free". >> "we're proud to say the world's first commercially available conflict free microprocessors do just that". >> but how sure can they be? fault lines travels to eastern congo to investigate. john kanyoni is the owner of a leading trading house in goma. he makes his living selling tin and tantalum to internation

. >> we're in the eastern part of the democratic republic of congo.s one of the least developed countries in the world, but there's an estimated $24 trillion worth of minerals here. tantalum, tungsten, tin, and gold have all been linked to violence in eastern congo by rebel groups and the congolese army. >> millions of people have been ki

. >> we're in the eastern part of the democratic republic of congo.s one of the least developed countries in the world, but there's an estimated $24 trillion worth of minerals here. tantalum, tungsten, tin, and gold have all been linked to violence in eastern congo by rebel groups and the congolese army. >> millions of people haee

tantalum, tungsten, tin, and gold have all been linked to violence in eastern congo by rebel groups and the congolese army. >> millions of people have been killed in the congo over the past decade.

tantalum, tungsten, tin, and gold have all been linked to violence in eastern congo by rebel groups andthe congolese army. >> millions of people have been killed in the congo over the past decade.

i started a little thing called "the eastern congo initiative." congo is a big country in africa that used to grow a lot of coffee. and then they had a terrible war for about 15 years where between three and five million people died and their capacity to produce coffee -- they were like, you know, florida is to citrus, they were to coffee. to grow coffee. what our organization is doing is hooking up coffee farmers and trying to build their capacity so that they can get their ability to grow coffee back to where it was. and we're hooking them up with our partners, usaid and howard buffett and starbucks, and getting them back up to par and hooking them up with people who will buy their coffee on the market. and we've, so far, we've started this partnership with starbucks. they bought a hundred -- they bought enough coffee so far for 11 million cups of coffee. [ cheers and applause ] and you can buy congo coffee at starbucks grocery stores, specialty stores. it's going really well. we've tripled 25,000 congolese farmers' incomes. [ cheers and applause

mission in the congo have been accused of slow action in the eastern part of the country where there is a lot of insecurity. there is a rebel group that has been attacking people and the u.n. mission has been accused of responding very slowly. some of these attacks happened close to u.n. bases. those are some of the issues that have been raised. people are saying what are u.n. missions doing in some of these countries. they're not helping us. the u.n. officials have constantly defended itself. it is saying it has done all it can and it is investigating things. they're saying all they can do is investigate and report this matter into the individual countries so eventually it is up to individual contributing countries to hold to account and prosecute some of those of its members who are accused of committing these atrocities. we assent seen a lot-- haven't seen a lot of cases in court and we haven't seen a lot of convictions. it needs a concerted effort, not just by the u.n., but by them and the vipped countries to make sure that some of these people who have been accused who have been

congo's symphony orchestra. ♪ >> the only live national news show at 11:00 eastern. >> we start with breaking news. >> let's taker look. ♪ welcome back, reminder of the top stories on al jazeera, police have fired tear gas and plastic bullets in an attempt to disburse protesters gathered outside turkey's biggest newspaper which has been placed under state control. the greek government is being pushed to declare state of emergency over the growing refugee crisis at its borders and there have been more signs that china's economy is slowing with the country's premier flagging of growth rate between 6.5 and 7% over the next five years. the pope has led condemnation of the murder of 16 people at an old people's home in yemen, four nuns among the dead at the home established by mother theresa and we report. >> reporter: from a police of safety and care this home for the elderly became the latest casualty in yemen's war. gunmen raided the retirement home and killed 16 people including four nuns and witnesses say the attackers surrounded the home in aiden and somed asked asked to be let in to see their mothers and handc