Accountability begins with independent and impartial fact finding.
"We believe the court is independent and impartial.
But independent and impartial international investigations were also needed, it said.
"That is the absence of an independent and impartial judiciary in these countries that could conduct credible trials".
The free complaints resolution service the Legal Ombudsman provides to members of the public is independent and impartial.
"MSF reiterates its call for an independent and impartial investigation into the attack on our hospital in Kunduz.
In 1999, Oregon moved to an office of administrative hearings to provide "an independent and impartial forum".
Yet, in several instances, justices acted in ways that weakened the court's reputation for being independent and impartial.
"It is imperative that a prompt, thorough, effective, independent and impartial investigation be conducted into this event," Ms Pillay added.
"The applicant was not tried by an independent and impartial tribunal," the court said in its ruling, referring to Mr. Ocalan.
The report recommends "prompt, independent and impartial investigations under both domestic and international law to end impunity, ensure accountability and bring perpetrators to justice".
