So maybe Jack killed him, out of bad temper.

Jack arrives and kills the alien with a more powerful gun.

Jack kills Walsh in cold blood after her failed attempt to escape with the information.

He at least would know how easily Jack could kill his prisoner.

Jack had killed a man; the bloodied corpse lay at his feet and the forces of the law were almost upon him.

Jack won't kill you for patience, and we can't do any more than watch it develop anyway.

I can't believe Jack just killed that many people in cold blood, said Owen.

Jack parked on the street and killed the engine.

I have you on tape telling a man named Jack to 'kill him.

As he gets drunk, the hotel urges Jack to kill his wife and son.