Regardless of Judge Simeone's efforts to remain impartial, his conduct "violated his duty to avoid impropriety and the appearance of impropriety," the report said, "and each time he favored the position advocated by the facility's director, he raised a suspicion that his ruling was influenced by personal considerations".
As the report notes, "the criteria developed by the Determinations Unit gives the appearance that the IRS is not impartial in conducting its mission".
On Wednesday, his father Ray told the Guardian: "CCHQ's supposedly impartial investigation, conducted not by an independent person but by a party 'insider', was always going to cast Clarke adrift and having done this was going to slam the doors of CCHQ shut and hunker down in an attempt to weather the storm.
"It is imperative that a prompt, thorough, effective, independent and impartial investigation be conducted into this event," Ms Pillay added.
The Office of Congressional Ethics was founded in 2008, and during its eight years has compiled an admirable record of conducting impartial, professional investigations.
On Tuesday, the company announced that Tatsuo Kainaka, the former Supreme Court justice, would lead a six-member committee assigned to conduct an "impartial and thorough" investigation.
Dame Janet's remit is "to conduct an impartial, thorough and independent review of the culture and practices of the BBC during the years that Jimmy Savile worked there".
Lawrence Berger, the general counsel for the Federal Law Enforcement Officers Association, which represents some of the employees, said they were put on leave to make it possible to conduct an impartial review.
"If the F.L.A. wants to convince people that it can somehow conduct an impartial investigation of Apple, despite being funded by Apple, this is not a good way to start".
"We have no trust at all that Israel, a country that has carried out such an attack on a civilian convoy in international waters, will conduct an impartial investigation," said Turkey's foreign minister, Ahmet Davutoglu, according to Agence France-Presse.
His brother Borislav said the tribunal's refusal to let the former president permission travel to Moscow for medical treatment had caused his death, and said he did not trust the UN to conduct an impartial autopsy.
