January 22, 2012 -- Updated 1632 GMT (0032 HKT) NEW: The government denies there are secret prisons and condemns the report Ali al-Mousawi, an advisor to al-Maliki, strongly condemned the report Sunday. He denied that there are secret prisons in Iraq or that that Iraqi authorities have been torturing prisoners, but admitted there could be "individual cases committed by individual security forces" who, he said, would be "held accountable for their violations." But Samer Muscati of Human Rights Watch is not convinced. It's not a one-off thing that is happening. ... This is unfortunately a routine process that is going on," he said of abuse of of prisoners. "The security forces that have engaged in abuses need to be held to account," he said, insisting: "There needs to be a strong emphasis from the government that this will not be tolerated." Al-Mousawi, the advisor to the prime minister, denied the government had cracked down on protesters, the freedom of expression or the media. CNN's Mohammed Tawfeeq in Baghdad contributed to this report.