Get the latest news from RT about the case of Sergei Skripal, who used to work for Russian military intelligence. Sergei Skripal acted as a double agent for British intelligence services in the 1990s and the beginning of the 2000s. Find news and details about Sergei Skripal’s background, former career, life, and past activities. In 2004, Russia’s Federal Security Service (FSB) arrested Sergei Skripal and convicted him of high treason. He was sentenced to 13 years in prison, yet moved to the UK and settled there as part of a spy swap. Follow RT for news and information on Sergei Skripal’s trial and life in Britain. In 2018, he and his daughter Yulia Skripal were poisoned with a nerve agent after Yulia returned from a visit to Moscow. An investigation was launched, and many news media outlets claimed that the Skripals were poisoned by Novichok nerve agent, originating from Russia. Yet, no proof has been given for these allegations. Find the latest updates on the Skripal case on RT.