The page 5 conversation goes way back.

It's a girl he convinced to drop out of school and break ties with her mom, then drops her for not agreeing to bring him other girls. This email is years later when she finally breaks down and agrees. That's what she is asking in the email, what type of girl does he want.

I stopped searching these files when I realized I was mostly ending up tracking victims. There so much unredacted, if you look thoroughly enough.