Why does the author follow up on the story of Martin Torres near the end of the article? What important ideas does this part of the article support?

I was going hunting. This is my own blood, my nephew." Torres, who is 38, grew up in a dicey section of Chicago, and even by the standards of his neighborhood he ... On a Wednesday near t he end of March, Slukkt kin made a rare appearance; he ordinarily leaves the day-to-day operations to a staff member.