Everybody could look like an enemy.

把每个人都当成了敌人
Prentiss, this was a close-knit family.

潘提斯这家人关系很紧密
Look at them. They couldn't have been more proud of their son.

看看他们他们对自己的儿子非常自豪
How bad would his disorder have to be

那他到底是有多失常
to make him kill his own parents?

才会杀死自己的父母
Post-traumatic stress disorder rarely turns people into killers,

创伤后应激失调很少驱使人去杀人
but soldiers with PTSD

但是确实有军人
have been known to strangle their wives in bed

因为闪回或噩梦
while having flashbacks or nightmares,

而将妻子勒死在床上
believing they're on the battlefield.

他们坚信自己在战场上
In 2005, an Iraqi war vet assaulted two people in Las Vegas,

2005年一个伊战退伍老兵在拉斯维加斯
believing them to be enemy combatants.

攻击了两个人他坚信对方是敌方士兵