> And in one famous case, injected by a secret agent using an umbrella I think you're mixing up the Litvinenko murder, which used polonium in a beverage, and M

> And in one famous case, injected by a secret agent using an umbrella I think you're mixing up the Litvinenko murder, which used polonium in a beverage, and Makenko, who got injected with poision with the tip of an umbrella.