I missed this NYT article and found it viahttp://legalift.wordpress.com/ .

When military investigators looked into an attack by American helicopters last February that left 23 Afghan civilians dead, they found that the operator of a Predator drone had failed to pass along crucial information about the makeup of a gathering crowd of villagers.

But Air Force and Army officials now say there was also an underlying cause for that mistake: information overload.
Link:http://www.nytimes.com/2011/01/17/te...0Deadly&st=cse