(DAILY MAIL) — The U.S. soldier who killed 16 Afghan villagers, including nine children, had suffered a traumatic brain injury when his vehicle over-turned on a previous tour of Iraq but was cleared for active service, it was revealed today.

The father-of-two, 38, who has not been named, was today in U.S. custody, accused of killing the civilians in their homes on Saturday night and then burning some of the corpses – 11 victims were members of the same family.

Military officials said that the soldier was trained as a sniper after he had undergone mental health screening and passed in 2008.

The Army sergeant was believed to have been having marital problems and had trouble reintegrating to society following his last tour of Iraq – but had ‘worked through’ his issues.

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