but he opted for a long-angled blade.

但他选择了长角刀
And he's have to be pretty strong to make a clean cut like that.

要想切得这么平整他得非常强壮才行
Absolutely.

没错
And they're identical on each victim.

而且每位死者的切口都一样
The decapitation was one swift,

斩首只用了一刀
clean cut between the second and third vertebra.

精确地砍在了第二和第三颈椎之间
No hesitation.

毫无犹豫
He's methodical. This is a mutilation.

他很有条理这里有个切口
He followed along like a surgeon would for breast augmentation.

这条切口就跟隆胸手术的切割线一样
She has scar tissue that looks about 5 years old.

她有一处大概五年前形成的伤疤
He removed her implants

他取出了隆胸材料
because he knew we could trace her via the serial number.

因为他知道我们能通过序列号查到她的身份