we did find that cambridge analytica had flirted with having... relationship. ..a contract, a relationship with the campaigns. we even know there was some trials done with the use of data. but what we discovered, which was more important than anything, was we were able to pull back the curtain so that the public and media and civil society and our legislators understood about the power of data in political campaigning. and i think we stopped the train from leaving the station. so if we hadn't done that investigation, if we hadn't proven that all of these companies operating in an ecosystem needed to slow down in the use of that data or else, we would feel the impact on our democracy. so as part of your investigation into cambridge analytica, you fined facebook what was then the maximum fine at your disposal, which is £500,000. facebook appealed, and it did get quite legally complex because the upshot was that an agreement was reached. facebook agreed to pay the £500,000 fine, but they did not admit liability. there's no admission of liability, as

you worked for cambridge analytica in nairobi.e died, may be directly or indirectly related to the role of cambridge analytica. is it legal or moral for british or american farms to work in countries like that and take advantage of lack of regulations, and yet continue to operate? christopher: this is something that i found most shocking. when you have got a company in country a, let's say it is in denton. engaging in multiple firms and contractors each in their own jurisdiction, creating disinformation or hate propaganda that were it entirely in written, would be wholly illegal, and then disseminating that in another country, because you've got so many different players involved in so many different components of wrongdoing, it is actually really difficult to figure out where technically did a crime occur? in tax law, we are just starting to create principles and rules that prevent people from hopping from one jurisdiction to another. with data and the internet, we are where tax law was in 1950, not realizing that the internet is

we did find that cambridge analytica had flirted with having...in so that the public and media and civil society and our legislators understood about the power of data in political campaigning. and i think we stopped the train from leaving the station. so if we hadn't done that investigation, if we hadn't proven that all of these companies operating in an ecosystem needed to slow down in the use of that data or else, we would feel the impact on our democracy. so as part of your investigation into cambridge analytica, you fined facebook what was then the maximum fine at your disposal, which is £500,000. facebook appealed, and it did get quite legally complex because the upshot was that an agreement was reached. facebook agreed to pay the £500,000 fine, but they did not admit liability. there's no admission of liability, as far as i understand it. was it a source of frustration to you at the time that your armoury was so limited that you could ask a company now worth over $1 trillion for £500,000? it's... it was deeply frustrating. why? because the

facebook, and the company that was the centre of this crisis and these questions, which was cambridge analytica

reporter: an attempt to reign in social media companies, the likes we haven't seen since the cambridge analytica scandal. >> by saying these applications, whether snap or meta or anything else are so inherently dangerous that even with parental control and supervision their child ended up dying from suicide is going to be a very difficult thing. >> reporter: snapchat is not commenting on the case but has said it is devastated by the death. we reached out to meta but have not heard back. scott budman nbc bay area news. >> if you or someone you know is struggling, there's help available 24/7. call this number any time. you can chat with a counselor online at suicidepreventionlifelineorg. >>> taking off for the winter olympics. we will check in with team usa before they go wheels up. >>> the new way uber is helping people in need in the bay area. how you can help out this weekend. >>> a nice night out here tonight. we will get you ready for tomorrow. i'm back with that in less than ten minutes. >>> the winter olympics is within arm's reach for several athletes. nearly 100 took off for beijing from

would because appliances if that did not happen, not to say that cambridge and lookout or -- cambridge analyticaothers would not have existed, but it would have made people think about what they were doing. >> the political situation in the pull -- in the philippines, what advice would you give to a potential filipino whistleblower? >> one thing. lawyers, lawyers, lawyers. lawyers have saved my life so many occasions that is all i would say. >> whistleblowers in the philippines have a horrendous track record. part of the reason we have so few and why your works is because it is the whistleblower who suffers, versus whoever they blow the whistle against. i have submitted myself to the men and women inside the judiciary who i hope will abide by the spirit of the constitution, but i am cognizant that they have families to protect, reputations, ambitions. makes our justice system extremely followed, but i submit myself to that. >> christopher, you have recently been banned from facebook. there has been a study to show that when people deactivate their facebook accounts, they become happier. has this