Now then, about now we should first of all-

Alright then.

If I may be so arrogant as to speak freely with you.

I put forward that-

Put forth all of our theories on the matter.

Jack removed a womb, kidneys, and liver and took them with him.

He carries the skill to "handle" people and he understands the position of the organs. There's no doubt he has medicinal training.

And as we move into the later murders, we see his way of handling got more showy.

Did he start enjoying the dismemberment more and more?

Huh, but wasn't the third victim killed in a much less awful way?

Ah, we shouldn't count the third victim.

Why?

*plainly*

Because the one who killed her was me.