Yes, the prologue is being told by one of the main characters from a point in time where the story is half over. It’s a good jumping on point, and leads directly into the mystery. So names, at this point, aren’t very important.
She had no reason to sell her body. Many of the missing person reports spoke of the young men leaving for a night on the town and never coming home. Whatever she was doing with them, they just disappeared. No trace. No bodies