the way he believes they did the first time?

就跟他所认为的最初那次转世一样
Well, maybe in his mind they already have.

说不定他觉得他们已经转世了
See, a fundamental tenet of reincarnation

轮回转世的基本原则是
is that you can come back in any life form, not just human.

你可以转世为任何生命形式不局限于人类
That would explain the larvae.

这就能解释为什么现场有幼虫了
This unsub is introducing a newly hatched life form

嫌犯动手时在被害人身边
next to the victims as he kills them.

摆上了一种新孵化的生命形态
It's a new life form waiting right there,

新的生命形态严阵以待
ready to receive the spirit of the one that just died.

准备接收新逝者的灵魂
He thinks that the people he's killing get reincarnated as flies?

他认为他杀的人都转世成了苍蝇吗
He's making sure they don't come back in human form again.

他是想确保他们不会再转世成人
Ensuring that this death ends the cycle.

确保这次死亡能终结轮回