New York-based Human Rights Watch also expressed concern that US had not stopped the use of 'illegal coercive interrogation.'
This follows a major attack on the infamous prison Saturday, in which at least 50 people were injured.
US army private Lynndie England who was photographed abusing and humiliating prisoners at Baghdad's Abu Ghraib prison, appeared before a military court Tuesday. \n\n
They were just joking around, having some fun on the night shift, said an army investigator.
A US judge threw out the guilty plea by Lynndie England, the soldier photographed with an Iraq detainee on a leash at Abu Ghraib.
The US deputy secretary of state said the Bush administration would 'go as far up the chain of command as necessary' to punish the guilty.\n\n
As per a pre-trial agreement, Ivan Fredrick will have to serve only 8 years of his ten-year sentence.
The foundation for the crimes at Abu Ghraib was laid when Defence Secretary Rumsfeld instituted a system of holding detainees from Afghanistan without legal recourse or any meaningful oversight mechanism, the Washington Post said.
Internal files from eight newly disclosed Army criminal investigations indicate a pattern of abuse at US detention facilities in Iraq, Afghanistan and Guantanamo Bay, Cuba.
Militants attacked an outdoor market on Sunday in eastern Baghdad, killing at least 24 people and wounding dozens, officials said.
Donald Rumsfeld is also mulling over the possibility of monetarily compensating the Iraqi prisoners who have been wronged.
After it reported abuse, US army said the Red Cross should not visit Abu Ghraib prison without prior appointment.
Amrit Singh is a staff attorney at ACLU's Immigrants' Rights Project, where she has litigated cases relating to the torture and abuse of prisoners held in US custody abroad, the government's use of diplomatic assurances to return individuals to countries known to employ torture, the indefinite and mandatory detention of immigrants, and post 9/11 discrimination against immigrants.
Breaking its silence on the abuse of Iraqi prisoners by American soldiers, particularly inmates of Abu Ghraib jail, India on Tuesday termed such acts as 'abhorrent'.
CBS TV says it has "dozens" of pictures - taken by US troops - showing prisoners being subjected to a wide range of maltreatment.
The root of the Abu Ghraib prison scandal lies in Rumsfeld's decision to expand a highly secret operation focused on the hunt for Al Qaeda and Taliban leaders, the New Yorker magazine said.
The right of the accused, as guaranteed by the Constitution, principles of natural justice cannot be denied to the accused indefinitely, it said.
Cherif Kouachi, 32, and his brother Said, 34, accused of carrying out the massacre at the Charlie Hebdo office in Paris, managed to slip under the radar despite them being on counterterrorism agencies' radar for years before Wednesday's attack.
