The Iscariot Factor (Half Staff)

It has been fourteen months since shots rang out during a White House ceremony. An American president is dead, and the world still believes it was the act of a single disillusioned soldier. Only a handful of people know the truth; and neither side is ready for it to be exposed. A conspiracy theory surfaces which forces an all-out search for its author. Both camps eager to learn if the traitor is one of their own. Secret Service Agent Pat Drice, and his team, are again called upon to head off the coming carnage. It's a race against the clock, and the only chance of finding the conspirators rest on their uncovering the theorist who opened the cage.