But it's still a risk for him and taunt to us.

对他来说始终有风险而对我们来说是挑衅
Hey, Einstein.

小爱因斯坦
You're awfully quiet.

你怎么一句话不说
I'm just reading here the M.E. thinks

我在看法医报告
the victims were alive for 48 hours while he disarticulates.

法医认为被害人在被肢解后仍旧存活了48小时
That means the unsub's sexual gratification comes from cutting.

这说明嫌犯从切割中获取快感
Exactly. He wouldn't go to these extremes

没错如果只是要丢弃四肢
if he were merely discarding the limbs.

他不会这么极端
He obviously enjoys the ritual.

很明显他非常享受这个过程
It's some kind of torture.

热衷于折磨
So if it isn't about easy disposal,

如果不是简单地为了方便抛尸
the limbs could be his trophies.

那他可能把这些肢体当做战利品