people like christopher wiley, a former leave supporter. his allegations about vote leave and how he says they cheated have been the subject of parliamentary enquiries. if we allow cheating in our democratic process, and we allow this amount, what about next time? what about the time after that? one of the reasons i supported leave was because i believe in the british constitutional settlement and i believe in british law and british sovereignty. and undermining the constitutional settlement of this country by cheating in a referendum that's going to change the fundamental law of that country is something that i cannot support. take back control was the brexit slogan, and control at westminster now rests with the dup. their votes keep the government in power and they expect the final say on any brexit deal. the brexit campaign brought profile and money on a scale the party had never seen before. money that allowed them to buy several pages of advertising wrapped around the cover of london's top freesheet. this is what announced the dup as m

. >> according to cambridge analytic cut, christopher wiley , data was used to develop graphic profiles of users used by the trump campaign to target users with online program advertisements. cambridge analytic acquired this aom alex cogan with personality quiz app he created for facebook's platform. facebook learned he passed the data to cambridge analytic in 2015 and demanded the data be deleted. at that time, the facebook take any additional steps beyond self certification to confirm data had been deleted? that was in violation of company policies. does your company take active steps to confirm that it is secured or destroyed? >> a time of the gentleman has expired. the witness may answer the question. ms. bickert: congressman, after we were notified of the potential breach in december of 2015, we did take steps to obtain a certification from cambridge analytical and this is -- i will echo the comments of our ceo when he testified before congress on this, but we are taking many steps now to make sure that we understand the extent of any data that may have been passed to cambridge ana