Sounds like these two aren't just obsessed with rape and murder.

听起来这两个人不仅痴迷于强奸和谋杀
They're addicted to one another.

他们还互相迷恋
We could have saved her.

我们本可以救她的
There were no signs of his having a partner until now.

直到现在我们才知道他有同伙
I guess that's why he's so cocky.

所以他才那么自大
Well, his arrogance is typical of a dominant personality.

他的傲慢是支配性人格的典型特点
He's found a submissive who's willing to kill for him.

他找到了一个愿意为他杀人的跟班
The partner is a biter.

那个同伙喜欢咬人
We found marks on Missy Dewald.

我们在密夕·德沃特身上找到了牙印
They never did that before.

他们以前没这样做过
Well, with William out of the picture,

威廉不在
he's changed his behavior.

他就改变了行为模式