Peter Leeson (George Mason) and Russell Sobel (WVU) find a connection between the likelihood of a natural disaster and reported corruption. From their abstract:
Each additional $100 per capita in FEMA relief increases the average state's corruption by nearly 102 percent. Our findings suggest notoriously corrupt regions of the United States, such as the Gulf Coast, are in part notoriously corrupt because natural disasters frequently strike them. They attract more disaster relief, which makes them more corrupt.Read the article. If that doesn't work, try here.