Bob Houston, the youngest agent of the Federal Bureau of Investigation, stepped out of the Department of Justice Building and turned toward home, his heart beating faster than it had in months. It hardly seemed real but he was now a full-fledged agent in the greatest man hunting division in the Federal Government. Bob paused a moment at the curb. Another man who had emerged from the justice building joined him. It was his uncle, Merritt Hughes, one of the most famous detectives in the department. He put his