Putin’s enemy Boris Berezovsky knew the Kremlin was trying to kill him in London, but to the frustration of British authorities, he refused to lie low — or to stop trafficking teenage sex workers into the country on his private plane.A new book by BuzzFeed News’s Global Investigations Editor connects 14 suspected Russian assassinations on British soil — — to a much wider campaign of Kremlin-sanctioned killing around the world. This exclusive excerpt of reveals Scotland Yard’s desperate scramble to shield the disorderly oligarch Boris Berezovsky from a string of audacious murder plots in the...…Putin’s enemy Boris Berezovsky knew the Kremlin was trying to kill him in London, but to the frustration of British authorities, he refused to lie low — or to stop trafficking teenage sex workers into the country on his private plane.A new book by BuzzFeed News’s Global Investigations Editor connects 14 suspected Russian assassinations on British soil — — to a much wider campaign of Kremlin-sanctioned killing around the world. This exclusive excerpt of reveals Scotland Yard’s desperate scramble to shield the disorderly oligarch Boris Berezovsky from a string of audacious murder plots in the...WW…