Christopher Steele was once MI6's top spy on Russian affairs and was unmasked as the alleged author of the 'dirty dossier' on Donald Trump. He also claimed Litvinenko was poisoned by Putin.
http://www.dailymail.co.uk/news/article-4115070/Chris-Whatsit-brilliant-Cambridge-spy-spent-life-battling-KGB-MI6-agent-wife-s-high-heels-stolen-Kremlin-spooks-revealed-Litvinenko-poisoned-Putin-s-thugs.html
WHY IS THIS GUY STILL ON THIS EARTH?