The experts will tell you that most frauds start small—maybe a few hundred bucks pocketed here, a little accounting fudge there—and get gradually bigger over time as the thief warms to the task, and gains confidence. That’s the way it almost always goes.

But Paul Champagne was not your typical fraudster. For one thing, Champagne had no particular expertise in finance. He was a computer engineer, brought in to manage maintenance contracts at Canada’s Department of National Defence in 1992. He was a technical authority, who could tell the bureaucrats how to buy, operate and maintain their computer systems more efficiently, and to save the taxpayer money in the process. For most of his time at DND, he wasn’t even an employee, but an outside contractor. And, up until the day he was fired in 2003, most of his colleagues thought he was doing a great job. Even when he was fired, it was for exceeding his authority in approving contracts that were beyond his position. Continue…