You're reading: BuzzFeed: How Kremlin assassins sowed terror through London streets

Rain was spreading like a fresh bruise across the London sky as the unmarked car rolled up Whitehall toward Big Ben. The Scotland Yard protection officer scanned the road with a well-trained eye, clocking potential hazards as the car passed the spiked iron gates of Downing Street, and swung right on Parliament Square. He had spent years guarding countless government ministers and visiting foreign dignitaries, and there wasn’t an inch of this maze of power that he didn’t know like the back of his hand.

Read more here.