But there are other reasons too. Until recently, Britain has struggled to investigate suspicious deaths as assassinations. As BuzzFeed explained after an extensive investigation: "The reasons for Britain's reticence, they said, include fear of retaliation, police incompetence, and a desire to preserve the billions of pounds of Russian money that pour into British banks and properties each year. As a result, Russia is making what one source called increasingly 'bold moves' in the UK without fear of reprisals."