Afghan Slayings act of retaliation?

Residents of an Afghan village near where an American soldier is alleged to have killed 16 civilians are convinced that the slayings were in retaliation for a roadside bomb attack on U.S. forces in the same area a few days earlier.

In accounts to The Associated Press and to Afghan government officials, the residents allege that U.S. troops lined up men from the village of Mokhoyan against a wall after the bombing on either March 7 or 8, and told them they would pay a price for the attack.

Except I don't believe that the two incidents are related, because they happened in different villages.

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