Insider Threat: His country trained him to fight. Then he turned against it.

Investigation Part I - His country trained him to fight. Then he turned against it. More like him are doing the same.

Short Video - AP investigation finds growing extremism in the US military

Investigation Part II - AP finds that a Pentagon-funded study on extremism in the military relied on old data

Follow Story I - New Orleans attack and Vegas explosion highlight extremist violence by active military and veterans

Follow Story II - Trump Pentagon pick had been flagged by fellow service member as possible ‘Insider Threat’