A male victim most likely caters

男性被害人更加迎合
to the female unsub's desires.

女性嫌犯的需求
They haven't displayed that behavior before.

在此之前他们并未有过这种表现
Up until now, it appears it's been the male picking the victims.

到目前为止似乎一直是由男性挑选被害人
Which typically indicates a dominant/submissive relationship.

一般来说这表明了一种支配和顺从的关系
It looks as though her psychopathology could be evolving.

看来她的精神病更加严重了
Ok, we need to look at this from a marriage perspective.

我们要从已婚的视角看待这个案子
Compromise is the key to any long-term relationship's success.

妥协是所有长期关系成功的关键
What if this murder was their way of sharing responsibility?

假如这起谋杀是他们分担责任的方式呢
He let the woman choose the victim. That could be problematic.

他让那女人挑选被害人这可能会有问题
Now that she's been given control,

现在她被给予了控制权
she might not want to let it go.

可能不会再想放手