Four officers were charged with failing to properly investigate the civilian killings.
None of the four officers was present during the explosion of the roadside bomb and the subsequent civilian killings by marines.
If the army was found to be responsible, it would be the largest group of civilian killings attributed to Government forces since 1984.
This left the island's 18 million people facing a new phase in a war that has been marked by widespread civilian killings on both sides.
The chaos, violence, bombings, civilian killings and whatever is happening right now in Iraqi cities is not stability.
The letters describe routine civilian killings as a policy of population pacification.
Some of this seemed to be a primitive attempt to destroy the evidence of civilian killings.
This accounted for 75% of all deaths whereas pro-government forces totalled 440 civilian killings.
The monitors said the four civilian killings were among a series of rights violations by the rebels during their two-week offensive.
We receive daily reports of massacres, civilian killings, widespread rape and sexual violence.