"We were also unable to substantiate allegations of politically-motivated suppression of particular subjects or sources".
Last week, the government raided the offices of Mr. Moussavi and Mr. Karroubi and seized evidence that the men were collecting to substantiate allegations of mistreatment and deaths of prisoners.
Political and military command responsibility Saville says that he "found no evidence to substantiate allegations" that the events had been planned by the authorities in Whitehall or Stormont.
The agency has said it had been "unable to substantiate allegations sufficiently enough to support disciplinary action" despite the employee's admissions, it said.
"The suggestion by the UK minister that DfID has not been able to substantiate allegations of abuses in the Lower Omo valley is nothing short of a diabolical statement," said Felix Horne, a consultant for Human Rights Watch.
"We have completed our inquiry regarding the conduct of Mr. Perle and did not substantiate allegations of misconduct," Joseph E. Schmirtz, the inspector general, wrote in a letter to Mr. Conyers that accompanied the report.
For that reason, the first wave of legislation and public policy initiatives designed to address the problem focus on the collection of data intended to substantiate allegations of racial bias in policing.
Last November, the development secretary, Justine Greening, said DfID had not been able to substantiate allegations of human rights abuse received during its visit to Lower Omo in January 2012, and that it would return to the area to examine these further.
Pressed by reporters, the chief refused to say if the images would substantiate allegations made earlier this year that the mayor had been caught on video smoking crack cocaine with drug dealers, but he called the file recovered from a hard drive this week, "consistent with that which had previously been described in various media reports".
At the time, Halliburton said there is ''no evidence to substantiate allegations made by these former employees".. But, as there is a fairly crisp logarithm about the Iraq War in all it's facets, namely, that every problem having "no evidence to substantiate it" eventually finds that the evidence does point to the problem having been real, Ben Carter, of course, has now been vindicated.
In a rare interview the following day, Mr Sirleaf, a 53-year-old former investment banker, addressed claims of nepotism and accusations that he was siphoning government funds from the oil sector, an oft-repeated though never substantiated allegation.
