[JURIST] A US Department of Defense spokesperson Monday dismissed allegations [JURIST report] made by two former military prosecutors that the military tribunals at Guantanamo Bay are "rigged" and often deprive defendants of evidence that could help prove their innocence. Defense Department spokesman Lawrence Di Rita told reporters that the DOD Inspector General [official website] conducted a full investigation into the allegations made to the office in March 2004, and found no basis for further investigation. Di Rita did state that his department is considering "refinements" to the military commissions [Human Rights Watch backgrounder]. Reuters has more.