"Jackasses with Guns":

Thousands of serious allegations of crimes in Iraq and only one mercenary has been prosecuted.
http://www.alternet.org/waroniraq/74955/
"Holding contractors responsible for criminal abuses has not been a high priority of the U.S. government," said the report, "Private Security Contractors at War: Ending the Culture of Impunity," which is based on interviews, court records, government reports, declassified documents and other documentary sources. "At times the government has appeared to view this issue with shocking indifference."

"There was little in the way of standards for hiring and training security contractors. There was no oversight of their activities. And most glaring of all, there was absolutely no legal accountability for misconduct," said Congressman David Price of North Carolina at a press conference to launch the report last week.