Vassili Tupelov was the former director of the KGB in Belgrade, Serbia, and a member of Victor Drazen's inner circle. Two years before Day 1, Tupelov was killed when Jack Bauer set off a bomb at Victor Drazen's secure compound, along with arms dealer Mislov Pajalik and Drazen's body double. ("Day 1: 10:00pm-11:00pm", Findings at CTU)