Two reporters followed the money to break the story on out-of-control federal spending on deficient Homeland Security systems.

Over the course of a 15-month investigation, veteran Washington Post investigative reporters Scott Higham and Robert O'Harrow Jr. uncovered case after case of mismanagement and misuse of taxpayers' money by the U.S. government in its post-9/11 sprint to tighten national security. This episode chronicles how these highly skilled reporters pieced together the big story.