How Radioactive Poison Became the Assassin’s Weapon of Choice

The mysterious life and brutal death of a Russian dissident.

TUCKED INTO THE Millennium Hotel on London’s Grosvenor Square, the Pine Bar is a place of hush and shadows. Dark wood panelling, leather seats, and black shaded chandeliers cosset those who seek discretion in style. Head barman Norberto Andrade has hidden many…