During the summer last year, the Obama administration filed a request with the Foreign Intelligence Surveillance Court (FISA) to monitor communications involving Trump and several advisers but the request was denied, according to Heat Street former editor, Louise Mensch.
Just a day before the 2016 election, Mensch reported that 'sources with links to the counter-intelligence community' confirmed that a Foreign Intelligence Surveillance Court (FISA) had granted a FISA court warrant in October to monitor activities in Trump tower.
Read more: http://www.dailymail.co.uk/news/article-4281150/Trump-accuses-Barack-Obama-wire-tapping-phones.html#ixzz4aP99NOA2
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