WASHINGTON, DC - MARCH 20: U.S. Marine General John Allen, the chief U.S. and NATO commander in Afghanistan, listens during a hearing before the House Armed Services Committee March 20, 2012 on Capitol Hill in Washington, DC. General Allen testified after the Qurans burning instance and the alleged killing of 16 Afghan civilians by a U.S. soldier. (Photo by Alex Wong/Getty Images)
  • The Justice Department has dropped its probe of retired four-star Gen. John Allen for his role in an alleged illegal foreign lobbying campaign on behalf of the nation of Qatar.
  • Allen, who was serving as the president of the think tank the Brookings Institute, resigned last summer in the wake of the claims that he participated in undisclosed and illegal lobbying for Qatar and obstructed the federal investigation into his activities.
  • The Justice Department did not provide any more details as to why it reached the decision to not file charges.