John Sopko, Special Inspector General for Afghanistan Reconstruction

The US has made a major commitment to help rebuild Afghanistan after more than a decade of warfare. That means billions of future taxpayer dollars, in addition to the $103 billion already spent. Fraud, corruption and waste are so prevalent, that the Special Inspector General for Afghanistan Reconstruction has no less than 340 ongoing investigations. In the past two years. SIGAR John Sopko has scored 42 convictions and saved $256 million -- and that's just the beginning.