CIA Heart Attack Gun is a weapon that was revealed in 1975 at a hearing of a committee lead by Frank Church. At the hearing Church showed off the CIA's heart attack gun. The gun is electrically powered by a battery and fires an extremely small bullet of ice with frozen shellfish toxin in the center. Once fired the bullet enters the target and melts without a trace except for a small red mark on the victim from where the bullet entered. The victim will feel a small pinch or nothing at all.
The cause of death of the victims is said to be heart attacks and the gun is used by the CIA to commit assassinations that can't be traced back to them. Many believe that the CIA is still using this gun today.