I want to try to find the source.

我想找到来源
What is it?

那是什么
Quell, a medical-grade disinfectant.

一种医用消毒剂
His OCD may manifest in extreme Germaphobia.

他的强迫症体现在极端洁癖上
That must be why he shaved Jeremy's head.

这一定就是他剃光杰瑞米头发的原因
There wasn't any sign of disinfectant until today, though.

不过原来并没发现使用消毒剂的迹象
But it might have been eliminated by the bleach and the fire.

也许是被漂白剂和火烧毁了
Guys, fire, bleach, quell--

伙计们火漂白剂和消毒剂
these are all forms of sterilization.

这些都是消毒方式
So you think the burning might be incidental?

你认为焚尸并不是必然的
If he's socioeconomically cleansing the streets,

如果他是从社会经济角度净化街道
he could be treating the homeless population like an infection.

他可能把流浪汉当成传染病来处理