Sad. I felt sorry for his wife.
The Russkies were certainly successful as assassins. Remember the microscopic poison-filled dart inserted in the leg of one of their enemies in the UK?
Another favorite trick (used by many operatives) is a drug administered during sexual intercourse that causes a fatal heart attack and dissipates long before the body is autopsied. I often wonder if Nelson Rockefeller was done in this way. The shame of daddy/hubby screwing around with a stranger in a hotel room effectively keeps the family from making many inquiries. Brilliant. Evil.