He's practicing what's called vicarious fantasy assimilation.

他的行为被称作替代幻想
This refers to the cathartic release that comes

这是指通过把他人的想法或幻想
when he turns someone else's thoughts or fantasies into reality.

变为现实而获得宣泄释放
He trolls the internet

他在网上搜索
and is selecting women with a strong online presence

选择那些经常上网
and who frequently post their fantasies with descriptive detail.

并且常将自己的幻想具体陈述出来的女性
There are two levels to his M.O.,

他的作案手法分为两个阶段
the first being the enjoyment he gets

第一个是他看到被害人的幻想
from taking one of his victim's fantasies

并将其变为噩梦
and turning it into a nightmare.

以从中得到乐趣
Once he establishes his dominance by subverting that fantasy,

一旦他通过毁灭幻想建立了支配权
then he moves on to step two,

他就会进行第二步