Answer: Alec Trevelyan
After finding Alec, Xenia, and Ourumov on a Soviet missile train, James is put into a sticky situation. He has the chance to kill Xenia and Alec, or kill Ourumov, who is able to hold Natalya at gunpoint. He chooses to save the girl, but in doing so lets Xenia and Alec away. Xenia and Alec lock all of the doors, and he sends this over the radio to tell James there are explosives set to fire in three minutes, a jab at James because that's what he did to the timers at the chemical facility. James then has to use the laser in his watch to cut a hole in the floor while Natalya tracks them on the computer. They narrowly escape from the blast.