Michail Chkhikvishvili, a Georgian national, has been extradited to the U.S., accused of inspiring "multiple senseless killings" around the world.

Federal officials said Michail Chkhikvishvili, who goes by "Commander Butcher," inspired a school shooting in the U.S. and plotted attacks.

Michail Chkhikvishvili has been extradited to the U.S. for allegedly instructing a federal agent to hand out poisoned candy to Jewish children.