来自《犯罪心理第9季第6集第6集》

But that's all anyone's touched them.

除此之外没人碰过
These are sedimentary conglomerates with rounded clasts.

这些是圆形沉积底砾岩
If you say so.

你说什么就是什么吧
That means that geologically speaking,

从地质学角度来说
they don't belong up here.

它们不应该在这儿
The rest of this canyon is tertiary rhyolite volcanics,

这峡谷的其它地方都是第三纪的流纹火山岩
which means the unsub must have brought these rocks with him.

说明这些石头是嫌犯带上来的
Which would be noisy and time-consuming.

那样容易引人注意而且很费时间
So the unsub obviously felt comfortable enough up here

说明这地方肯定让嫌犯很自在
to take the time that he needed.

能让他耐心行事
He's probably been here before.

他之前很可能来过这里
Sergeant, how wide was the radius of your initial search?

警长你们初步搜索的范围有多大