When his son had problems at school,

他儿子在学校惹了麻烦时

You know, the second intruder theory has some validity.

还有一个抢劫犯的推论也不算空穴来风

the decapitation menu in Bronson Springs

布朗森温泉镇的这宗断头案

It is hard to tell from this photo--

从这张照片里很难断定

were only for the family, not for us.

是主人家的情操 与我们无关

In a way,

算是吧

criminal databases. Couldn't get anything,

检测了一遍 没有收获

and I got a hit.

其他数据库 找到了他

All right. Here you go.

好了 你们看

Cool! Upgrade!

棒 升级了

If I start off the mass in a position

如果物体的起点位置处

that's what we like to call x = 0.

我们把这个位置称为 x = 0