he feared a life- saving device could have beenoused as a weapon for terrorist. he doctors do something to prevent killers from using it. nvice-president cheney revealing the fears in heart and american medical adveszy. he and his cardiologist agree to turn off the implanted wireless function in case the terrorist tried to shock his heart. it sounded far fetched but was played out on home land. in an interview cheney thought it was a cred ebl three. the equipment detects an irregular heart boat and controls it with electrical jolts. >> i was aware of the danger