This I didn't know. It puts a whole new dimension to Murtha's "in cold blood" assertion.
Who/when/where/why/how? Maybe the marines were ambushed and were engaged in a fire fight when the civilians were killed. Hardly the ingredients of a "cold blooded" massacre.
One or two Marines can go beserk. But an entire unit? I seriously doubt it.
Contrary evidence matters not for those who agitate against our efforts in Iraq, on FR and the DNC/MSM.